Update
Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है
Subjects

Class 9 Mathematics - Sequences and Progressions - Sequences Medium Quiz

Mathematics Sequences and Progressions Sequences Medium Class 9 Topic Quiz

Topic Quiz • 150 questions • 35 seconds per question.

Topic question bank 150 Questions
Time Left 27:30 35 sec/question
RewardsCoins + XP
ModeClassic Quiz
Back to Topic
Share
Question 1 / 150 0 score
Answered 0/150 Correct 0 Time 27:30
Question 1/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(3,7,11,15,\ldots\) का (10)वाँ पद क्या होगा?

What will be the (10)th term of the sequence \(3,7,11,15,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (39)

Explanation

Simple Explanation

यहाँ पहला पद (3) और समान अंतर (4) है। (10)वाँ पद \(3+9\times4=39\) है। / Here the first term is (3) and the common difference is (4). The (10)th term is \(3+9\times4=39\).

Open Question Page
Ask Friends
Question 2/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(42,37,32,27,\ldots\) का (8)वाँ पद क्या है?

What is the (8)th term of \(42,37,32,27,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. (7)

Explanation

Simple Explanation

हर बार (5) घट रहा है। (8)वाँ पद \(42-7\times5=7\) है। / Each term decreases by (5). The (8)th term is \(42-7\times5=7\).

Open Question Page
Ask Friends
Question 3/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

यदि \(a_n=3n+4\) है, तो \(a_7\) का मान क्या होगा?

If \(a_n=3n+4\), what will be the value of \(a_7\)?

Explanation opens after your attempt
Correct Answer

C. (25)

Explanation

Simple Explanation

(n=7) रखने पर (a_7=3(7)+4=25) मिलता है। नियम में (n) का सही मान रखें। / Putting (n=7), (a_7=3(7)+4=25). Substitute the correct value of (n) in the rule.

Open Question Page
Ask Friends
Question 4/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

यदि \(a_n=2n^2-1\) है, तो \(a_5\) क्या होगा?

If \(a_n=2n^2-1\), what is \(a_5\)?

Explanation opens after your attempt
Correct Answer

C. (49)

Explanation

Simple Explanation

(n=5) रखने पर (2\(5^2\)-1=49) है। पहले वर्ग निकालें, फिर गुणा और घटाव करें। / Putting (n=5), (2\(5^2\)-1=49). Square first, then multiply and subtract.

Open Question Page
Ask Friends
Question 5/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(5,9,13,\Box,21\) में खाली स्थान का मान क्या है?

What is the missing value in \(5,9,13,\Box,21\)?

Explanation opens after your attempt
Correct Answer

C. (17)

Explanation

Simple Explanation

हर बार (4) जोड़ा जा रहा है। (13+4=17), इसलिए खाली स्थान (17) है। / Each term increases by (4). Since (13+4=17), the missing value is (17).

Open Question Page
Ask Friends
Question 6/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(80,\Box,68,62,56\) में खाली स्थान कौन सा है?

Which value fills the blank in \(80,\Box,68,62,56\)?

Explanation opens after your attempt
Correct Answer

B. (74)

Explanation

Simple Explanation

क्रम में हर बार (6) घट रहा है। (80-6=74), इसलिए खाली स्थान (74) है। / The sequence decreases by (6) each time. (80-6=74), so the blank is (74).

Open Question Page
Ask Friends
Question 7/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(2,6,12,20,30,\ldots\) का अगला पद क्या है?

What is the next term of \(2,6,12,20,30,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (42)

Explanation

Simple Explanation

अंतर (4,6,8,10) हैं, अगला अंतर (12) होगा। इसलिए अगला पद (30+12=42) है। / The differences are (4,6,8,10), so the next difference is (12). Hence the next term is (30+12=42).

Open Question Page
Ask Friends
Question 8/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(100,98,94,88,80,\ldots\) का अगला पद क्या होगा?

What will be the next term of \(100,98,94,88,80,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (70)

Explanation

Simple Explanation

घटाव (2,4,6,8) है, अगला घटाव (10) होगा। (80-10=70) अगला पद है। / The subtractions are (2,4,6,8), so the next subtraction is (10). (80-10=70) is the next term.

Open Question Page
Ask Friends
Question 9/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(3,6,12,24,48,\ldots\) का (7)वाँ पद क्या है?

What is the (7)th term of \(3,6,12,24,48,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (192)

Explanation

Simple Explanation

हर पद पिछले पद का (2) गुना है। (6)वाँ पद (96) और (7)वाँ पद (192) होगा। / Each term is twice the previous term. The (6)th term is (96) and the (7)th term is (192).

Open Question Page
Ask Friends
Question 10/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(243,81,27,9,\ldots\) का अगला पद क्या है?

What is the next term of \(243,81,27,9,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (3)

Explanation

Simple Explanation

हर पद पिछले पद को (3) से भाग देकर मिलता है। \(9\div3=3\) अगला पद है। / Each term is obtained by dividing the previous term by (3). \(9\div3=3\) is the next term.

Open Question Page
Ask Friends
Question 11/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(1,4,9,16,25,\ldots\) में (9)वाँ पद क्या होगा?

What will be the (9)th term in \(1,4,9,16,25,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (81)

Explanation

Simple Explanation

यह वर्ग संख्याओं का क्रम है। (9)वाँ पद \(9^2=81\) होगा। / This is a sequence of square numbers. The (9)th term is \(9^2=81\).

Open Question Page
Ask Friends
Question 12/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(1,8,27,64,\ldots\) का (6)ठा पद क्या है?

What is the (6)th term of \(1,8,27,64,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (216)

Explanation

Simple Explanation

यह घन संख्याओं का क्रम है। (6)ठा पद \(6^3=216\) है। / This is a sequence of cube numbers. The (6)th term is \(6^3=216\).

Open Question Page
Ask Friends
Question 13/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(1,3,6,10,15,\ldots\) का (7)वाँ पद क्या है?

What is the (7)th term of \(1,3,6,10,15,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (28)

Explanation

Simple Explanation

यह त्रिभुज संख्याओं का क्रम है। (7)वाँ पद (1+2+3+4+5+6+7=28) है। / This is a triangular-number sequence. The (7)th term is (1+2+3+4+5+6+7=28).

Open Question Page
Ask Friends
Question 14/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(2,3,5,8,13,\ldots\) का अगला पद क्या है?

What is the next term of \(2,3,5,8,13,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (21)

Explanation

Simple Explanation

हर पद पिछले दो पदों का योग है। (8+13=21), इसलिए अगला पद (21) है। / Each term is the sum of the previous two terms. (8+13=21), so the next term is (21).

Open Question Page
Ask Friends
Question 15/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(4,7,11,18,29,\ldots\) का अगला पद क्या होगा?

What will be the next term of \(4,7,11,18,29,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (47)

Explanation

Simple Explanation

यहाँ (11=4+7), (18=7+11) और (29=11+18) है। अगला पद (18+29=47) होगा। / Here (11=4+7), (18=7+11), and (29=11+18). The next term is (18+29=47).

Open Question Page
Ask Friends
Question 16/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(6,12,24,48,\ldots\) में (192) कौन सा पद है?

In \(6,12,24,48,\ldots\), which term is (192)?

Explanation opens after your attempt
Correct Answer

C. (6)ठा(6)th

Explanation

Simple Explanation

क्रम (6,12,24,48,96,192) है। इसलिए (192) (6)ठा पद है। / The sequence is (6,12,24,48,96,192). So (192) is the (6)th term.

Open Question Page
Ask Friends
Question 17/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(9,14,19,24,\ldots\) में (49) कौन सा पद होगा?

In \(9,14,19,24,\ldots\), which term will (49) be?

Explanation opens after your attempt
Correct Answer

B. (9)वाँ(9)th

Explanation

Simple Explanation

पहला पद (9) और अंतर (5) है। (9+(n-1)5=49) से (n=9) मिलता है। / The first term is (9) and the difference is (5). From (9+(n-1)5=49), (n=9).

Open Question Page
Ask Friends
Question 18/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(75,69,63,57,\ldots\) में (39) कौन सा पद है?

In \(75,69,63,57,\ldots\), which term is (39)?

Explanation opens after your attempt
Correct Answer

B. (7)वाँ(7)th

Explanation

Simple Explanation

हर बार (6) घट रहा है। (75-(n-1)6=39) से (n=7) है। / Each term decreases by (6). From (75-(n-1)6=39), (n=7).

Open Question Page
Ask Friends
Question 19/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

यदि किसी क्रम के पहले चार पद (2,7,12,17) हैं, तो \(a_n\) का सरल नियम क्या हो सकता है?

If the first four terms of a sequence are (2,7,12,17), what can be a simple rule for \(a_n\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=5n-3\)

Explanation

Simple Explanation

(n=1) रखने पर (5(1)-3=2) और अंतर (5) मिलता है। इसलिए \(a_n=5n-3\) सही है। / For (n=1), (5(1)-3=2), and the difference is (5). So \(a_n=5n-3\) is correct.

Open Question Page
Ask Friends
Question 20/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(4,11,18,25,\ldots\) के लिए सही \(a_n\) नियम कौन सा है?

Which \(a_n\) rule is correct for \(4,11,18,25,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=7n-3\)

Explanation

Simple Explanation

पहला पद (4) और अंतर (7) है। \(a_n=7n-3\) से \(4,11,18,\ldots\) मिलते हैं। / The first term is (4) and the difference is (7). \(a_n=7n-3\) gives \(4,11,18,\ldots\).

Open Question Page
Ask Friends
Question 21/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

नियम \(a_n=2n+3\) से बनने वाले पहले चार पद कौन से हैं?

What are the first four terms formed by \(a_n=2n+3\)?

Explanation opens after your attempt
Correct Answer

B. (5,7,9,11)

Explanation

Simple Explanation

(n=1,2,3,4) रखने पर (5,7,9,11) मिलते हैं। पहले चार पदों के लिए (n=1) से शुरू करें। / Putting (n=1,2,3,4) gives (5,7,9,11). Start with (n=1) for the first four terms.

Open Question Page
Ask Friends
Question 22/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

नियम \(a_n=n^2+2n\) से \(a_4\) क्या होगा?

What will \(a_4\) be for the rule \(a_n=n^2+2n\)?

Explanation opens after your attempt
Correct Answer

C. (24)

Explanation

Simple Explanation

(n=4) रखने पर (a_4=42+2(4)=24) है। घात और गुणा दोनों ध्यान से करें। / Putting (n=4), (a_4=42+2(4)=24). Handle the power and multiplication carefully.

Open Question Page
Ask Friends
Question 23/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

नियम \(a_n=50-4n\) से बनने वाला तीसरा पद क्या है?

What is the third term formed by \(a_n=50-4n\)?

Explanation opens after your attempt
Correct Answer

C. (38)

Explanation

Simple Explanation

(n=3) रखने पर \(a_3=50-12=38\) है। घटाव वाले नियम में चिन्ह ध्यान से देखें। / Putting (n=3), \(a_3=50-12=38\). In subtraction rules, check the sign carefully.

Open Question Page
Ask Friends
Question 24/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

कौन सा क्रम \(a_n=3n^2\) से बनता है?

Which sequence is formed by \(a_n=3n^2\)?

Explanation opens after your attempt
Correct Answer

B. (3,12,27,48)

Explanation

Simple Explanation

(n=1,2,3,4) रखने पर (3,12,27,48) मिलते हैं। \(n^2\) को (3) से गुणा करें। / Putting (n=1,2,3,4) gives (3,12,27,48). Multiply \(n^2\) by (3).

Open Question Page
Ask Friends
Question 25/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

कौन सा क्रम \(a_n=2^n+1\) से बने पहले चार पद दिखाता है?

Which sequence shows the first four terms of \(a_n=2^n+1\)?

Explanation opens after your attempt
Correct Answer

B. (3,5,9,17)

Explanation

Simple Explanation

\(2^1+1=3\), \(2^2+1=5\), \(2^3+1=9\), \(2^4+1=17\)। घात के बाद (1) जोड़ें। / \(2^1+1=3\), \(2^2+1=5\), \(2^3+1=9\), and \(2^4+1=17\). Add (1) after evaluating the power.

Open Question Page
Ask Friends
Question 26/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(2,5,8,11,\ldots\) और \(1,4,7,10,\ldots\) के (6)ठे पदों का अंतर क्या है?

What is the difference between the (6)th terms of \(2,5,8,11,\ldots\) and \(1,4,7,10,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (1)

Explanation

Simple Explanation

पहले क्रम का (6)ठा पद (17) और दूसरे का (16) है। उनका अंतर (1) है। / The (6)th term of the first sequence is (17) and that of the second is (16). Their difference is (1).

Open Question Page
Ask Friends
Question 27/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(10,15,20,\ldots\) का (8)वाँ पद और \(4,9,14,\ldots\) का (8)वाँ पद किस प्रकार संबंधित हैं?

How are the (8)th term of \(10,15,20,\ldots\) and the (8)th term of \(4,9,14,\ldots\) related?

Explanation opens after your attempt
Correct Answer

A. पहला (6) अधिक हैThe first is greater by (6)

Explanation

Simple Explanation

दोनों क्रमों का अंतर (5) है, इसलिए पदों का अंतर हमेशा (6) रहेगा। (8)वें पदों में भी यही अंतर है। / Both sequences have difference (5), so the term difference always remains (6). The (8)th terms also differ by (6).

Open Question Page
Ask Friends
Question 28/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(3,8,13,\ldots\) के पहले (5) पदों का योग क्या है?

What is the sum of the first (5) terms of \(3,8,13,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (65)

Explanation

Simple Explanation

पहले (5) पद (3,8,13,18,23) हैं। इनका योग (65) है। / The first (5) terms are (3,8,13,18,23). Their sum is (65).

Open Question Page
Ask Friends
Question 29/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(40,36,32,\ldots\) के पहले (4) पदों का योग क्या है?

What is the sum of the first (4) terms of \(40,36,32,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (136)

Explanation

Simple Explanation

पहले (4) पद (40,36,32,28) हैं। इनका योग (136) है। / The first (4) terms are (40,36,32,28). Their sum is (136).

Open Question Page
Ask Friends
Question 30/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

कौन सा क्रम समान अंतर वाला नहीं है?

Which sequence does not have a common difference?

Explanation opens after your attempt
Correct Answer

C. (4,9,16,25)

Explanation

Simple Explanation

(4,9,16,25) के अंतर (5,7,9) हैं, जो समान नहीं हैं। समान अंतर जाँचने के लिए लगातार पद घटाएँ। / The differences in (4,9,16,25) are (5,7,9), which are not equal. Subtract consecutive terms to check common difference.

Open Question Page
Ask Friends
Question 31/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

कौन सा क्रम गुणन नियम से बनता है, जोड़ नियम से नहीं?

Which sequence is formed by a multiplication rule, not an addition rule?

Explanation opens after your attempt
Correct Answer

B. (4,8,16,32)

Explanation

Simple Explanation

(4,8,16,32) में हर पद पिछले पद का (2) गुना है। यह जोड़ नहीं, गुणन का नियम है। / In (4,8,16,32), each term is twice the previous term. This is a multiplication rule, not an addition rule.

Open Question Page
Ask Friends
Question 32/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(1,4,7,10,\ldots\) में कौन सा पद (22) है?

Which term is (22) in \(1,4,7,10,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (8)वाँ(8)th

Explanation

Simple Explanation

पहला पद (1) और अंतर (3) है। (1+(n-1)3=22) से (n=8) मिलता है। / The first term is (1) and the difference is (3). From (1+(n-1)3=22), (n=8).

Open Question Page
Ask Friends
Question 33/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(5,8,11,14,\ldots\) में \(a_6+a_7\) का मान क्या है?

What is the value of \(a_6+a_7\) in \(5,8,11,14,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (47)

Explanation

Simple Explanation

\(a_6=20\) और \(a_7=23\) हैं। इसलिए \(a_6+a_7=43\), अतः विकल्प (A) सही है। / \(a_6=20\) and \(a_7=23\). Therefore \(a_6+a_7=43\), so option (A) is correct.

Open Question Page
Ask Friends
Question 34/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(12,18,24,30,\ldots\) में \(a_5-a_2\) क्या है?

What is \(a_5-a_2\) in \(12,18,24,30,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (18)

Explanation

Simple Explanation

\(a_5=36\) और \(a_2=18\) है। इसलिए \(a_5-a_2=18\) है। / \(a_5=36\) and \(a_2=18\). Therefore \(a_5-a_2=18\).

Open Question Page
Ask Friends
Question 35/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(9,13,17,21,\ldots\) में \(a_4\) और \(a_1\) का अंतर क्या है?

What is the difference between \(a_4\) and \(a_1\) in \(9,13,17,21,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (12)

Explanation

Simple Explanation

\(a_4=21\) और \(a_1=9\) है। उनका अंतर (21-9=12) है। / \(a_4=21\) and \(a_1=9\). Their difference is (21-9=12).

Open Question Page
Ask Friends
Question 36/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

यदि \(a_1=6\) और हर अगले पद में (4) जोड़ा जाता है, तो \(a_6\) क्या होगा?

If \(a_1=6\) and (4) is added to each next term, what is \(a_6\)?

Explanation opens after your attempt
Correct Answer

C. (26)

Explanation

Simple Explanation

\(a_6=6+5\times4=26\) है। छठे पद तक पहुँचने के लिए (5) बार अंतर जोड़ा जाता है। / \(a_6=6+5\times4=26\). To reach the sixth term, the difference is added (5) times.

Open Question Page
Ask Friends
Question 37/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

यदि \(a_1=50\) और हर अगले पद में (7) घटाया जाता है, तो \(a_5\) क्या होगा?

If \(a_1=50\) and (7) is subtracted for each next term, what is \(a_5\)?

Explanation opens after your attempt
Correct Answer

B. (22)

Explanation

Simple Explanation

\(a_5=50-4\times7=22\) है। पाँचवें पद तक (4) बार घटाव होगा। / \(a_5=50-4\times7=22\). There are (4) subtractions before the fifth term.

Open Question Page
Ask Friends
Question 38/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(2,5,11,23,\ldots\) में अगला पद क्या है यदि नियम पिछले पद का (2) गुना और (1) जोड़ना है?

What is the next term in \(2,5,11,23,\ldots\) if the rule is double the previous term and add (1)?

Explanation opens after your attempt
Correct Answer

C. (47)

Explanation

Simple Explanation

नियम के अनुसार \(23\times2+1=47\) है। ऐसे क्रम में अंतिम पद पर नियम लगाएँ। / By the rule, \(23\times2+1=47\). In such sequences, apply the rule to the last term.

Open Question Page
Ask Friends
Question 39/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(100,49,24,11,\ldots\) में अगला पद क्या है यदि नियम पिछले पद से (2) भाग देकर (1) घटाना है?

What is the next term in \(100,49,24,11,\ldots\) if the rule is divide the previous term by (2) and subtract (1)?

Explanation opens after your attempt
Correct Answer

B. (4.5)

Explanation

Simple Explanation

\(11\div2-1=4.5\) है। नियम में पहले भाग दें और फिर (1) घटाएँ। / \(11\div2-1=4.5\). In the rule, divide first and then subtract (1).

Open Question Page
Ask Friends
Question 40/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(4,6,10,16,24,\ldots\) में अगला पद क्या है?

What is the next term in \(4,6,10,16,24,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (34)

Explanation

Simple Explanation

अंतर (2,4,6,8) हैं, इसलिए अगला अंतर (10) होगा। (24+10=34) है। / The differences are (2,4,6,8), so the next difference is (10). (24+10=34).

Open Question Page
Ask Friends
Question 41/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(90,87,81,72,60,\ldots\) में अगला पद क्या होगा?

What will be the next term in \(90,87,81,72,60,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (45)

Explanation

Simple Explanation

घटाव (3,6,9,12) है, अगला घटाव (15) होगा। (60-15=45) है। / The subtractions are (3,6,9,12), so the next subtraction is (15). (60-15=45).

Open Question Page
Ask Friends
Question 42/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(1,2,6,24,\ldots\) का अगला पद क्या है?

What is the next term of \(1,2,6,24,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (120)

Explanation

Simple Explanation

यहाँ क्रमशः (2,3,4) से गुणा किया गया है। अगला गुणक (5) होगा, इसलिए \(24\times5=120\)। / The terms are multiplied by (2,3,4) successively. The next multiplier is (5), so \(24\times5=120\).

Open Question Page
Ask Friends
Question 43/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(2,6,18,54,\ldots\) और \(5,15,45,135,\ldots\) के (4)थे पदों का अनुपात क्या है?

What is the ratio of the (4)th terms of \(2,6,18,54,\ldots\) and \(5,15,45,135,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. (2:5)

Explanation

Simple Explanation

चौथे पद (54) और (135) हैं। उनका अनुपात (54:135=2:5) है। / The fourth terms are (54) and (135). Their ratio is (54:135=2:5).

Open Question Page
Ask Friends
Question 44/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(6,10,14,18,\ldots\) में पहले कितने पदों का योग (70) है?

How many first terms of \(6,10,14,18,\ldots\) have sum (70)?

Explanation opens after your attempt
Correct Answer

B. (5)

Explanation

Simple Explanation

पहले (5) पद (6,10,14,18,22) हैं। उनका योग (70) है। / The first (5) terms are (6,10,14,18,22). Their sum is (70).

Open Question Page
Ask Friends
Question 45/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(4,9,14,\ldots\) में कौन सा पद (34) से ठीक पहले आता है?

In \(4,9,14,\ldots\), which term comes just before (34)?

Explanation opens after your attempt
Correct Answer

C. (29)

Explanation

Simple Explanation

क्रम (4,9,14,19,24,29,34) है। (34) से ठीक पहले (29) आता है। / The sequence is (4,9,14,19,24,29,34). The term just before (34) is (29).

Open Question Page
Ask Friends
Question 46/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(96,48,24,12,\ldots\) में (3) से ठीक पहले कौन सा पद आता है?

In \(96,48,24,12,\ldots\), which term comes just before (3)?

Explanation opens after your attempt
Correct Answer

B. (6)

Explanation

Simple Explanation

हर बार आधा हो रहा है। क्रम (96,48,24,12,6,3) है, इसलिए (3) से पहले (6) है। / Each term is halved. The sequence is (96,48,24,12,6,3), so (6) comes before (3).

Open Question Page
Ask Friends
Question 47/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(7,10,13,\ldots\) के (n)वें पद के लिए सही कथन कौन सा है?

Which statement is correct for the (n)th term of \(7,10,13,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. यह (3n+4) हैIt is (3n+4)

Explanation

Simple Explanation

(n=1) पर (3(1)+4=7) और अंतर (3) मिलता है। इसलिए सही नियम (3n+4) है। / At (n=1), (3(1)+4=7), and the difference is (3). So the correct rule is (3n+4).

Open Question Page
Ask Friends
Question 48/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

क्रम \(50,45,40,\ldots\) के (n)वें पद का सही नियम कौन सा है?

Which is the correct rule for the (n)th term of \(50,45,40,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=55-5n\)

Explanation

Simple Explanation

(n=1) रखने पर (55-5=50) मिलता है। यह हर बार (5) घटाने वाला नियम है। / Putting (n=1) gives (55-5=50). This rule decreases by (5) each time.

Open Question Page
Ask Friends
Question 49/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

यदि \(a_1=3\), \(a_2=8\) और हर अगला पद पिछले दो पदों का योग है, तो \(a_5\) क्या होगा?

If \(a_1=3\), \(a_2=8\), and each next term is the sum of the previous two terms, what is \(a_5\)?

Explanation opens after your attempt
Correct Answer

C. (30)

Explanation

Simple Explanation

क्रम (3,8,11,19,30) बनेगा। इसलिए \(a_5=30\) है। / The sequence becomes (3,8,11,19,30). Therefore \(a_5=30\).

Open Question Page
Ask Friends
Question 50/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 41

यदि क्रम \(2,6,18,54,\ldots\) में \(a_n=162\) है, तो (n) क्या है?

If \(a_n=162\) in the sequence \(2,6,18,54,\ldots\), what is (n)?

Explanation opens after your attempt
Correct Answer

B. (5)

Explanation

Simple Explanation

क्रम (2,6,18,54,162) है। (162) पाँचवाँ पद है, इसलिए (n=5)। / The sequence is (2,6,18,54,162). (162) is the fifth term, so (n=5).

Open Question Page
Ask Friends
Question 51/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(4,10,16,22,\ldots\) का (9)वाँ पद क्या होगा?

What will be the (9)th term of \(4,10,16,22,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (52)

Explanation

Simple Explanation

पहला पद (4) और समान अंतर (6) है। (9)वाँ पद \(4+8\times6=52\) है। / The first term is (4) and the common difference is (6). The (9)th term is \(4+8\times6=52\).

Open Question Page
Ask Friends
Question 52/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(64,58,52,46,\ldots\) का (7)वाँ पद क्या है?

What is the (7)th term of \(64,58,52,46,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. (28)

Explanation

Simple Explanation

हर बार (6) घट रहा है। (7)वाँ पद \(64-6\times6=28\) है। / Each term decreases by (6). The (7)th term is \(64-6\times6=28\).

Open Question Page
Ask Friends
Question 53/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

यदि \(a_n=4n+3\) है, तो \(a_8\) का मान क्या है?

If \(a_n=4n+3\), what is the value of \(a_8\)?

Explanation opens after your attempt
Correct Answer

B. (35)

Explanation

Simple Explanation

(n=8) रखने पर (a_8=4(8)+3=35) है। नियम में (n) का सही मान रखें। / Putting (n=8), (a_8=4(8)+3=35). Substitute the correct value of (n) in the rule.

Open Question Page
Ask Friends
Question 54/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

यदि \(a_n=3n^2+2\) है, तो \(a_4\) क्या होगा?

If \(a_n=3n^2+2\), what is \(a_4\)?

Explanation opens after your attempt
Correct Answer

C. (50)

Explanation

Simple Explanation

(n=4) रखने पर (3\(4^2\)+2=50) है। पहले वर्ग निकालें और फिर गुणा करें। / Putting (n=4), (3\(4^2\)+2=50). Square first and then multiply.

Open Question Page
Ask Friends
Question 55/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(6,13,20,\Box,34\) में खाली स्थान का मान क्या है?

What is the missing value in \(6,13,20,\Box,34\)?

Explanation opens after your attempt
Correct Answer

C. (27)

Explanation

Simple Explanation

हर बार (7) जोड़ा जा रहा है। (20+7=27) खाली स्थान है। / Each term increases by (7). (20+7=27) is the missing value.

Open Question Page
Ask Friends
Question 56/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(95,\Box,77,68,59\) में खाली स्थान कौन सा है?

Which value fills the blank in \(95,\Box,77,68,59\)?

Explanation opens after your attempt
Correct Answer

B. (86)

Explanation

Simple Explanation

क्रम में हर बार (9) घट रहा है। (95-9=86) होगा। / The sequence decreases by (9) each time. (95-9=86).

Open Question Page
Ask Friends
Question 57/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(3,8,15,24,35,\ldots\) का अगला पद क्या है?

What is the next term of \(3,8,15,24,35,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (48)

Explanation

Simple Explanation

अंतर (5,7,9,11) हैं। अगला अंतर (13) होगा, इसलिए (35+13=48)। / The differences are (5,7,9,11). The next difference is (13), so (35+13=48).

Open Question Page
Ask Friends
Question 58/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(120,117,111,102,90,\ldots\) का अगला पद क्या होगा?

What will be the next term of \(120,117,111,102,90,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (75)

Explanation

Simple Explanation

घटाव (3,6,9,12) है और अगला घटाव (15) होगा। (90-15=75) है। / The subtractions are (3,6,9,12), so the next subtraction is (15). (90-15=75).

Open Question Page
Ask Friends
Question 59/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(5,15,45,135,\ldots\) का (6)ठा पद क्या है?

What is the (6)th term of \(5,15,45,135,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (1215)

Explanation

Simple Explanation

हर पद पिछले पद का (3) गुना है। (5)वाँ पद (405) और (6)ठा पद (1215) है। / Each term is (3) times the previous term. The (5)th term is (405) and the (6)th term is (1215).

Open Question Page
Ask Friends
Question 60/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(512,256,128,64,\ldots\) का अगला पद क्या है?

What is the next term of \(512,256,128,64,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (32)

Explanation

Simple Explanation

हर पद पिछले पद का आधा है। \(64\div2=32\) अगला पद है। / Each term is half of the previous term. \(64\div2=32\) is the next term.

Open Question Page
Ask Friends
Question 61/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(4,9,16,25,36,\ldots\) में (8)वाँ पद क्या होगा?

What will be the (8)th term in \(4,9,16,25,36,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (81)

Explanation

Simple Explanation

यह \(2^2,3^2,4^2,\ldots\) का क्रम है। (8)वाँ पद \(9^2=81\) होगा। / This is the sequence \(2^2,3^2,4^2,\ldots\). The (8)th term will be \(9^2=81\).

Open Question Page
Ask Friends
Question 62/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(8,27,64,125,\ldots\) का (5)वाँ पद क्या है?

What is the (5)th term of \(8,27,64,125,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. (216)

Explanation

Simple Explanation

यह \(2^3,3^3,4^3,5^3,\ldots\) का क्रम है। (5)वाँ पद \(6^3=216\) है। / This is the sequence \(2^3,3^3,4^3,5^3,\ldots\). The (5)th term is \(6^3=216\).

Open Question Page
Ask Friends
Question 63/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(2,5,9,14,20,\ldots\) का (7)वाँ पद क्या है?

What is the (7)th term of \(2,5,9,14,20,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (35)

Explanation

Simple Explanation

अंतर (3,4,5,6) हैं, फिर (7) और (8) जुड़ेंगे। (7)वाँ पद (35) है। / The differences are (3,4,5,6), then (7) and (8) are added. The (7)th term is (35).

Open Question Page
Ask Friends
Question 64/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(3,4,7,11,18,\ldots\) का अगला पद क्या है?

What is the next term of \(3,4,7,11,18,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (29)

Explanation

Simple Explanation

हर पद पिछले दो पदों का योग है। (11+18=29) अगला पद है। / Each term is the sum of the previous two terms. (11+18=29) is the next term.

Open Question Page
Ask Friends
Question 65/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(7,12,19,31,50,\ldots\) का अगला पद क्या होगा?

What will be the next term of \(7,12,19,31,50,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (81)

Explanation

Simple Explanation

यहाँ (19=7+12), (31=12+19), (50=19+31) है। अगला पद (31+50=81) होगा। / Here (19=7+12), (31=12+19), and (50=19+31). The next term will be (31+50=81).

Open Question Page
Ask Friends
Question 66/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(4,12,36,108,\ldots\) में (324) कौन सा पद है?

In \(4,12,36,108,\ldots\), which term is (324)?

Explanation opens after your attempt
Correct Answer

B. (5)वाँ(5)th

Explanation

Simple Explanation

क्रम (4,12,36,108,324) है। इसलिए (324) (5)वाँ पद है। / The sequence is (4,12,36,108,324). So (324) is the (5)th term.

Open Question Page
Ask Friends
Question 67/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(8,15,22,29,\ldots\) में (57) कौन सा पद होगा?

In \(8,15,22,29,\ldots\), which term will (57) be?

Explanation opens after your attempt
Correct Answer

B. (8)वाँ(8)th

Explanation

Simple Explanation

पहला पद (8) और अंतर (7) है। (8+(n-1)7=57) से (n=8) मिलता है। / The first term is (8) and the difference is (7). From (8+(n-1)7=57), (n=8).

Open Question Page
Ask Friends
Question 68/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(88,82,76,70,\ldots\) में (52) कौन सा पद है?

In \(88,82,76,70,\ldots\), which term is (52)?

Explanation opens after your attempt
Correct Answer

B. (7)वाँ(7)th

Explanation

Simple Explanation

हर बार (6) घट रहा है। (88-(n-1)6=52) से (n=7) है। / Each term decreases by (6). From (88-(n-1)6=52), (n=7).

Open Question Page
Ask Friends
Question 69/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

यदि किसी क्रम के पहले चार पद (3,9,15,21) हैं, तो \(a_n\) का सरल नियम क्या हो सकता है?

If the first four terms of a sequence are (3,9,15,21), what can be a simple rule for \(a_n\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=6n-3\)

Explanation

Simple Explanation

पहला पद (3) और अंतर (6) है। \(a_n=6n-3\) से वही क्रम मिलता है। / The first term is (3) and the difference is (6). \(a_n=6n-3\) gives the same sequence.

Open Question Page
Ask Friends
Question 70/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(6,15,24,33,\ldots\) के लिए सही \(a_n\) नियम कौन सा है?

Which \(a_n\) rule is correct for \(6,15,24,33,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=9n-3\)

Explanation

Simple Explanation

पहला पद (6) और अंतर (9) है। \(a_n=9n-3\) से \(6,15,24,\ldots\) मिलते हैं। / The first term is (6) and the difference is (9). \(a_n=9n-3\) gives \(6,15,24,\ldots\).

Open Question Page
Ask Friends
Question 71/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

नियम \(a_n=5n+2\) से बनने वाले पहले चार पद कौन से हैं?

What are the first four terms formed by \(a_n=5n+2\)?

Explanation opens after your attempt
Correct Answer

C. (7,12,17,22)

Explanation

Simple Explanation

(n=1,2,3,4) रखने पर (7,12,17,22) मिलते हैं। पहले चार पदों के लिए (n=1) से शुरू करें। / Putting (n=1,2,3,4) gives (7,12,17,22). Start with (n=1) for the first four terms.

Open Question Page
Ask Friends
Question 72/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

नियम \(a_n=n^2+3n\) से \(a_5\) क्या होगा?

What will \(a_5\) be for the rule \(a_n=n^2+3n\)?

Explanation opens after your attempt
Correct Answer

B. (40)

Explanation

Simple Explanation

(n=5) रखने पर (a_5=52+3(5)=40) है। वर्ग और गुणा दोनों सावधानी से करें। / Putting (n=5), (a_5=52+3(5)=40). Handle both the square and multiplication carefully.

Open Question Page
Ask Friends
Question 73/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

नियम \(a_n=70-5n\) से बनने वाला चौथा पद क्या है?

What is the fourth term formed by \(a_n=70-5n\)?

Explanation opens after your attempt
Correct Answer

B. (50)

Explanation

Simple Explanation

(n=4) रखने पर \(a_4=70-20=50\) है। घटाव वाले नियम में चिन्ह पर ध्यान दें। / Putting (n=4), \(a_4=70-20=50\). Pay attention to the sign in subtraction rules.

Open Question Page
Ask Friends
Question 74/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

कौन सा क्रम \(a_n=4n^2\) से बनता है?

Which sequence is formed by \(a_n=4n^2\)?

Explanation opens after your attempt
Correct Answer

B. (4,16,36,64)

Explanation

Simple Explanation

(n=1,2,3,4) रखने पर (4,16,36,64) मिलते हैं। \(n^2\) को (4) से गुणा करें। / Putting (n=1,2,3,4) gives (4,16,36,64). Multiply \(n^2\) by (4).

Open Question Page
Ask Friends
Question 75/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

कौन सा क्रम \(a_n=3^n-1\) से बने पहले चार पद दिखाता है?

Which sequence shows the first four terms of \(a_n=3^n-1\)?

Explanation opens after your attempt
Correct Answer

A. (2,8,26,80)

Explanation

Simple Explanation

\(3^1-1=2\), \(3^2-1=8\), \(3^3-1=26\), \(3^4-1=80\)। घात निकालकर (1) घटाएँ। / \(3^1-1=2\), \(3^2-1=8\), \(3^3-1=26\), and \(3^4-1=80\). Evaluate the power and subtract (1).

Open Question Page
Ask Friends
Question 76/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(4,8,12,16,\ldots\) और \(7,11,15,19,\ldots\) के (7)वें पदों का अंतर क्या है?

What is the difference between the (7)th terms of \(4,8,12,16,\ldots\) and \(7,11,15,19,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (3)

Explanation

Simple Explanation

दोनों क्रमों का समान अंतर (4) है, इसलिए पदों का अंतर हमेशा (3) रहेगा। (7)वें पदों में भी यही अंतर है। / Both sequences have common difference (4), so the term difference always remains (3). The (7)th terms also differ by (3).

Open Question Page
Ask Friends
Question 77/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(12,18,24,\ldots\) का (6)ठा पद और \(5,11,17,\ldots\) का (6)ठा पद किस प्रकार संबंधित हैं?

How are the (6)th term of \(12,18,24,\ldots\) and the (6)th term of \(5,11,17,\ldots\) related?

Explanation opens after your attempt
Correct Answer

A. पहला (7) अधिक हैThe first is greater by (7)

Explanation

Simple Explanation

दोनों क्रमों का अंतर (6) है और पहले पदों का अंतर (7) है। इसलिए (6)ठे पदों का अंतर भी (7) होगा। / Both sequences have difference (6), and the first terms differ by (7). So their (6)th terms also differ by (7).

Open Question Page
Ask Friends
Question 78/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(4,9,14,\ldots\) के पहले (6) पदों का योग क्या है?

What is the sum of the first (6) terms of \(4,9,14,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (90)

Explanation

Simple Explanation

पहले (6) पद (4,9,14,19,24,29) हैं। इनका योग (99) नहीं, (99) है इसलिए विकल्पों में सही मान नहीं है। / The first (6) terms are (4,9,14,19,24,29). Their sum is (99), so no listed option is correct.

Open Question Page
Ask Friends
Question 79/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(60,54,48,\ldots\) के पहले (5) पदों का योग क्या है?

What is the sum of the first (5) terms of \(60,54,48,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (240)

Explanation

Simple Explanation

पहले (5) पद (60,54,48,42,36) हैं। इनका योग (240) है। / The first (5) terms are (60,54,48,42,36). Their sum is (240).

Open Question Page
Ask Friends
Question 80/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(2,7,12,17,\ldots\) में कौन सा पद (47) है?

Which term is (47) in \(2,7,12,17,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (10)वाँ(10)th

Explanation

Simple Explanation

पहला पद (2) और अंतर (5) है। (2+(n-1)5=47) से (n=10) मिलता है। / The first term is (2) and the difference is (5). From (2+(n-1)5=47), (n=10).

Open Question Page
Ask Friends
Question 81/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(6,10,14,18,\ldots\) में \(a_5+a_6\) का मान क्या है?

What is the value of \(a_5+a_6\) in \(6,10,14,18,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (46)

Explanation

Simple Explanation

\(a_5=22\) और \(a_6=26\) है। इसलिए \(a_5+a_6=48\), अतः विकल्प (D) सही है। / \(a_5=22\) and \(a_6=26\). Therefore \(a_5+a_6=48\), so option (D) is correct.

Open Question Page
Ask Friends
Question 82/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(15,21,27,33,\ldots\) में \(a_6-a_3\) क्या है?

What is \(a_6-a_3\) in \(15,21,27,33,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (18)

Explanation

Simple Explanation

\(a_6=45\) और \(a_3=27\) है। इसलिए \(a_6-a_3=18\) है। / \(a_6=45\) and \(a_3=27\). Therefore \(a_6-a_3=18\).

Open Question Page
Ask Friends
Question 83/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(10,14,18,22,\ldots\) में \(a_5\) और \(a_2\) का अंतर क्या है?

What is the difference between \(a_5\) and \(a_2\) in \(10,14,18,22,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (12)

Explanation

Simple Explanation

\(a_5=26\) और \(a_2=14\) है। उनका अंतर (26-14=12) है। / \(a_5=26\) and \(a_2=14\). Their difference is (26-14=12).

Open Question Page
Ask Friends
Question 84/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

यदि \(a_1=9\) और हर अगले पद में (5) जोड़ा जाता है, तो \(a_7\) क्या होगा?

If \(a_1=9\) and (5) is added to each next term, what is \(a_7\)?

Explanation opens after your attempt
Correct Answer

C. (39)

Explanation

Simple Explanation

\(a_7=9+6\times5=39\) है। (7)वें पद तक पहुँचने के लिए (6) बार अंतर जोड़ा जाता है। / \(a_7=9+6\times5=39\). To reach the (7)th term, the difference is added (6) times.

Open Question Page
Ask Friends
Question 85/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

यदि \(a_1=72\) और हर अगले पद में (8) घटाया जाता है, तो \(a_6\) क्या होगा?

If \(a_1=72\) and (8) is subtracted for each next term, what is \(a_6\)?

Explanation opens after your attempt
Correct Answer

B. (32)

Explanation

Simple Explanation

\(a_6=72-5\times8=32\) है। (6)ठे पद तक (5) बार घटाव होगा। / \(a_6=72-5\times8=32\). There are (5) subtractions before the (6)th term.

Open Question Page
Ask Friends
Question 86/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(3,10,31,94,\ldots\) में अगला पद क्या है यदि नियम पिछले पद का (3) गुना और (1) जोड़ना है?

What is the next term in \(3,10,31,94,\ldots\) if the rule is triple the previous term and add (1)?

Explanation opens after your attempt
Correct Answer

C. (283)

Explanation

Simple Explanation

नियम के अनुसार \(94\times3+1=283\) है। अंतिम पद पर दिया गया नियम लगाएँ। / By the rule, \(94\times3+1=283\). Apply the given rule to the last term.

Open Question Page
Ask Friends
Question 87/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(64,31,14.5,6.25,\ldots\) में अगला पद क्या है यदि नियम पिछले पद को (2) से भाग देकर (1) घटाना है?

What is the next term in \(64,31,14.5,6.25,\ldots\) if the rule is divide the previous term by (2) and subtract (1)?

Explanation opens after your attempt
Correct Answer

A. (2.125)

Explanation

Simple Explanation

\(6.25\div2-1=2.125\) है। पहले भाग दें और फिर (1) घटाएँ। / \(6.25\div2-1=2.125\). Divide first and then subtract (1).

Open Question Page
Ask Friends
Question 88/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(5,8,14,23,35,\ldots\) में अगला पद क्या है?

What is the next term in \(5,8,14,23,35,\ldots\)?

Explanation opens after your attempt
Correct Answer

D. (50)

Explanation

Simple Explanation

अंतर (3,6,9,12) हैं, इसलिए अगला अंतर (15) होगा। (35+15=50) है। / The differences are (3,6,9,12), so the next difference is (15). (35+15=50).

Open Question Page
Ask Friends
Question 89/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(150,140,120,90,50,\ldots\) में अगला पद क्या होगा?

What will be the next term in \(150,140,120,90,50,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. (0)

Explanation

Simple Explanation

घटाव (10,20,30,40) है, अगला घटाव (50) होगा। (50-50=0) है। / The subtractions are (10,20,30,40), so the next subtraction is (50). (50-50=0).

Open Question Page
Ask Friends
Question 90/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(2,4,12,48,\ldots\) का अगला पद क्या है?

What is the next term of \(2,4,12,48,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (240)

Explanation

Simple Explanation

यहाँ क्रमशः (2,3,4) से गुणा किया गया है। अगला गुणक (5) होगा, इसलिए \(48\times5=240\)। / The terms are multiplied by (2,3,4) successively. The next multiplier is (5), so \(48\times5=240\).

Open Question Page
Ask Friends
Question 91/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(3,12,48,192,\ldots\) और \(5,20,80,320,\ldots\) के (4)थे पदों का अनुपात क्या है?

What is the ratio of the (4)th terms of \(3,12,48,192,\ldots\) and \(5,20,80,320,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. (3:5)

Explanation

Simple Explanation

चौथे पद (192) और (320) हैं। उनका अनुपात (192:320=3:5) है। / The fourth terms are (192) and (320). Their ratio is (192:320=3:5).

Open Question Page
Ask Friends
Question 92/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(8,13,18,23,\ldots\) में पहले कितने पदों का योग (90) है?

How many first terms of \(8,13,18,23,\ldots\) have sum (90)?

Explanation opens after your attempt
Correct Answer

B. (5)

Explanation

Simple Explanation

पहले (5) पद (8,13,18,23,28) हैं। उनका योग (90) है। / The first (5) terms are (8,13,18,23,28). Their sum is (90).

Open Question Page
Ask Friends
Question 93/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(6,13,20,\ldots\) में कौन सा पद (41) से ठीक पहले आता है?

In \(6,13,20,\ldots\), which term comes just before (41)?

Explanation opens after your attempt
Correct Answer

C. (34)

Explanation

Simple Explanation

क्रम (6,13,20,27,34,41) है। (41) से ठीक पहले (34) आता है। / The sequence is (6,13,20,27,34,41). The term just before (41) is (34).

Open Question Page
Ask Friends
Question 94/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(160,80,40,20,\ldots\) में (5) से ठीक पहले कौन सा पद आता है?

In \(160,80,40,20,\ldots\), which term comes just before (5)?

Explanation opens after your attempt
Correct Answer

B. (10)

Explanation

Simple Explanation

हर बार आधा हो रहा है। क्रम (160,80,40,20,10,5) है, इसलिए (5) से पहले (10) है। / Each term is halved. The sequence is (160,80,40,20,10,5), so (10) comes before (5).

Open Question Page
Ask Friends
Question 95/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(11,15,19,\ldots\) के (n)वें पद के लिए सही कथन कौन सा है?

Which statement is correct for the (n)th term of \(11,15,19,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. यह (4n+7) हैIt is (4n+7)

Explanation

Simple Explanation

(n=1) पर (4(1)+7=11) और अंतर (4) मिलता है। इसलिए सही नियम (4n+7) है। / At (n=1), (4(1)+7=11), and the difference is (4). So the correct rule is (4n+7).

Open Question Page
Ask Friends
Question 96/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(60,52,44,\ldots\) के (n)वें पद का सही नियम कौन सा है?

Which is the correct rule for the (n)th term of \(60,52,44,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=68-8n\)

Explanation

Simple Explanation

(n=1) रखने पर (68-8=60) मिलता है। यह हर बार (8) घटाने वाला नियम है। / Putting (n=1) gives (68-8=60). This rule decreases by (8) each time.

Open Question Page
Ask Friends
Question 97/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

यदि \(a_1=4\), \(a_2=9\) और हर अगला पद पिछले दो पदों का योग है, तो \(a_5\) क्या होगा?

If \(a_1=4\), \(a_2=9\), and each next term is the sum of the previous two terms, what is \(a_5\)?

Explanation opens after your attempt
Correct Answer

C. (35)

Explanation

Simple Explanation

क्रम (4,9,13,22,35) बनेगा। इसलिए \(a_5=35\) है। / The sequence becomes (4,9,13,22,35). Therefore \(a_5=35\).

Open Question Page
Ask Friends
Question 98/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

यदि क्रम \(3,12,48,192,\ldots\) में \(a_n=768\) है, तो (n) क्या है?

If \(a_n=768\) in the sequence \(3,12,48,192,\ldots\), what is (n)?

Explanation opens after your attempt
Correct Answer

B. (5)

Explanation

Simple Explanation

क्रम (3,12,48,192,768) है। (768) पाँचवाँ पद है, इसलिए (n=5)। / The sequence is (3,12,48,192,768). (768) is the fifth term, so (n=5).

Open Question Page
Ask Friends
Question 99/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(2,6,14,30,\ldots\) में अगला पद क्या है यदि नियम पिछले पद का (2) गुना करके (2) जोड़ना है?

What is the next term in \(2,6,14,30,\ldots\) if the rule is double the previous term and add (2)?

Explanation opens after your attempt
Correct Answer

C. (62)

Explanation

Simple Explanation

नियम के अनुसार \(30\times2+2=62\) है। अंतिम पद पर नियम लगाकर अगला पद निकालें। / By the rule, \(30\times2+2=62\). Apply the rule to the last term to get the next term.

Open Question Page
Ask Friends
Question 100/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 42

क्रम \(5,12,21,32,\ldots\) का अगला पद क्या होगा?

What will be the next term of \(5,12,21,32,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (45)

Explanation

Simple Explanation

अंतर (7,9,11) हैं, इसलिए अगला अंतर (13) होगा। (32+13=45) है। / The differences are (7,9,11), so the next difference is (13). (32+13=45).

Open Question Page
Ask Friends
Question 101/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(6,11,16,21,\ldots\) का (12)वाँ पद क्या होगा?

What will be the (12)th term of \(6,11,16,21,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (61)

Explanation

Simple Explanation

पहला पद (6) और समान अंतर (5) है। (12)वाँ पद \(6+11\times5=61\) है। / The first term is (6) and the common difference is (5). The (12)th term is \(6+11\times5=61\).

Open Question Page
Ask Friends
Question 102/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(90,83,76,69,\ldots\) का (9)वाँ पद क्या है?

What is the (9)th term of \(90,83,76,69,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (34)

Explanation

Simple Explanation

हर बार (7) घट रहा है। (9)वाँ पद \(90-8\times7=34\) है। / Each term decreases by (7). The (9)th term is \(90-8\times7=34\).

Open Question Page
Ask Friends
Question 103/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

यदि \(a_n=5n-2\) है, तो \(a_9\) का मान क्या होगा?

If \(a_n=5n-2\), what will be the value of \(a_9\)?

Explanation opens after your attempt
Correct Answer

D. (43)

Explanation

Simple Explanation

(n=9) रखने पर (a_9=5(9)-2=43) है। नियम में (n) का सही मान रखें। / Putting (n=9), (a_9=5(9)-2=43). Substitute the correct value of (n) in the rule.

Open Question Page
Ask Friends
Question 104/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

यदि \(a_n=2n^2+3\) है, तो \(a_6\) क्या होगा?

If \(a_n=2n^2+3\), what is \(a_6\)?

Explanation opens after your attempt
Correct Answer

A. (75)

Explanation

Simple Explanation

(n=6) रखने पर (a_6=2\(6^2\)+3=75) है। पहले वर्ग निकालें, फिर गुणा और जोड़ करें। / Putting (n=6), (a_6=2\(6^2\)+3=75). Square first, then multiply and add.

Open Question Page
Ask Friends
Question 105/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(7,15,23,\Box,39\) में खाली स्थान का मान क्या है?

What is the missing value in \(7,15,23,\Box,39\)?

Explanation opens after your attempt
Correct Answer

B. (31)

Explanation

Simple Explanation

हर बार (8) जोड़ा जा रहा है। (23+8=31), इसलिए खाली स्थान (31) है। / Each term increases by (8). (23+8=31), so the missing value is (31).

Open Question Page
Ask Friends
Question 106/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(110,\Box,94,86,78\) में खाली स्थान कौन सा है?

Which value fills the blank in \(110,\Box,94,86,78\)?

Explanation opens after your attempt
Correct Answer

C. (102)

Explanation

Simple Explanation

क्रम में हर बार (8) घट रहा है। (110-8=102) होगा। / The sequence decreases by (8) each time. (110-8=102).

Open Question Page
Ask Friends
Question 107/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(4,9,16,25,36,\ldots\) का अगला पद क्या है?

What is the next term of \(4,9,16,25,36,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (49)

Explanation

Simple Explanation

यह \(2^2,3^2,4^2,5^2,6^2\) का क्रम है। अगला पद \(7^2=49\) होगा। / This is the sequence \(2^2,3^2,4^2,5^2,6^2\). The next term will be \(7^2=49\).

Open Question Page
Ask Friends
Question 108/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(150,146,138,126,110,\ldots\) का अगला पद क्या होगा?

What will be the next term of \(150,146,138,126,110,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (90)

Explanation

Simple Explanation

घटाव (4,8,12,16) है और अगला घटाव (20) होगा। (110-20=90) है। / The subtractions are (4,8,12,16), so the next subtraction is (20). (110-20=90).

Open Question Page
Ask Friends
Question 109/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(2,8,32,128,\ldots\) का (6)ठा पद क्या है?

What is the (6)th term of \(2,8,32,128,\ldots\)?

Explanation opens after your attempt
Correct Answer

D. (2048)

Explanation

Simple Explanation

हर पद पिछले पद का (4) गुना है। (5)वाँ पद (512) और (6)ठा पद (2048) है। / Each term is (4) times the previous term. The (5)th term is (512) and the (6)th term is (2048).

Open Question Page
Ask Friends
Question 110/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(625,125,25,5,\ldots\) का अगला पद क्या है?

What is the next term of \(625,125,25,5,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (1)

Explanation

Simple Explanation

हर पद पिछले पद को (5) से भाग देकर मिलता है। \(5\div5=1\) अगला पद है। / Each term is obtained by dividing the previous term by (5). \(5\div5=1\) is the next term.

Open Question Page
Ask Friends
Question 111/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(1,8,27,64,125,\ldots\) में (7)वाँ पद क्या होगा?

What will be the (7)th term in \(1,8,27,64,125,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (343)

Explanation

Simple Explanation

यह घन संख्याओं का क्रम है। (7)वाँ पद \(7^3=343\) होगा। / This is a sequence of cube numbers. The (7)th term will be \(7^3=343\).

Open Question Page
Ask Friends
Question 112/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(3,6,10,15,21,\ldots\) का (8)वाँ पद क्या है?

What is the (8)th term of \(3,6,10,15,21,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (36)

Explanation

Simple Explanation

अंतर (3,4,5,6) हैं, फिर (7) और (8) और (9) जुड़ेंगे। (8)वाँ पद (36) है। / The differences are (3,4,5,6), then (7), (8), and (9) are added. The (8)th term is (36).

Open Question Page
Ask Friends
Question 113/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(5,6,11,17,28,\ldots\) का अगला पद क्या है?

What is the next term of \(5,6,11,17,28,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (45)

Explanation

Simple Explanation

हर पद पिछले दो पदों का योग है। (17+28=45) अगला पद है। / Each term is the sum of the previous two terms. (17+28=45) is the next term.

Open Question Page
Ask Friends
Question 114/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(8,13,21,34,55,\ldots\) का अगला पद क्या होगा?

What will be the next term of \(8,13,21,34,55,\ldots\)?

Explanation opens after your attempt
Correct Answer

D. (89)

Explanation

Simple Explanation

यहाँ हर नया पद पिछले दो पदों का योग है। अगला पद (34+55=89) होगा। / Here each new term is the sum of the previous two terms. The next term will be (34+55=89).

Open Question Page
Ask Friends
Question 115/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(7,21,63,189,\ldots\) में (567) कौन सा पद है?

In \(7,21,63,189,\ldots\), which term is (567)?

Explanation opens after your attempt
Correct Answer

B. (5)वाँ(5)th

Explanation

Simple Explanation

क्रम (7,21,63,189,567) है। इसलिए (567) (5)वाँ पद है। / The sequence is (7,21,63,189,567). So (567) is the (5)th term.

Open Question Page
Ask Friends
Question 116/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(12,19,26,33,\ldots\) में (75) कौन सा पद होगा?

In \(12,19,26,33,\ldots\), which term will (75) be?

Explanation opens after your attempt
Correct Answer

C. (10)वाँ(10)th

Explanation

Simple Explanation

पहला पद (12) और अंतर (7) है। (12+(n-1)7=75) से (n=10) मिलता है। / The first term is (12) and the difference is (7). From (12+(n-1)7=75), (n=10).

Open Question Page
Ask Friends
Question 117/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(100,91,82,73,\ldots\) में (46) कौन सा पद है?

In \(100,91,82,73,\ldots\), which term is (46)?

Explanation opens after your attempt
Correct Answer

C. (7)वाँ(7)th

Explanation

Simple Explanation

हर बार (9) घट रहा है। (100-(n-1)9=46) से (n=7) है। / Each term decreases by (9). From (100-(n-1)9=46), (n=7).

Open Question Page
Ask Friends
Question 118/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

यदि किसी क्रम के पहले चार पद (5,12,19,26) हैं, तो \(a_n\) का सरल नियम क्या हो सकता है?

If the first four terms of a sequence are (5,12,19,26), what can be a simple rule for \(a_n\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=7n-2\)

Explanation

Simple Explanation

पहला पद (5) और अंतर (7) है। \(a_n=7n-2\) से वही क्रम मिलता है। / The first term is (5) and the difference is (7). \(a_n=7n-2\) gives the same sequence.

Open Question Page
Ask Friends
Question 119/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(8,18,28,38,\ldots\) के लिए सही \(a_n\) नियम कौन सा है?

Which \(a_n\) rule is correct for \(8,18,28,38,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=10n-2\)

Explanation

Simple Explanation

पहला पद (8) और अंतर (10) है। \(a_n=10n-2\) से \(8,18,28,\ldots\) मिलते हैं। / The first term is (8) and the difference is (10). \(a_n=10n-2\) gives \(8,18,28,\ldots\).

Open Question Page
Ask Friends
Question 120/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

नियम \(a_n=6n+1\) से बनने वाले पहले चार पद कौन से हैं?

What are the first four terms formed by \(a_n=6n+1\)?

Explanation opens after your attempt
Correct Answer

B. (7,13,19,25)

Explanation

Simple Explanation

(n=1,2,3,4) रखने पर (7,13,19,25) मिलते हैं। पहले चार पदों के लिए (n=1) से शुरू करें। / Putting (n=1,2,3,4) gives (7,13,19,25). Start with (n=1) for the first four terms.

Open Question Page
Ask Friends
Question 121/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

नियम \(a_n=n^2+4n\) से \(a_6\) क्या होगा?

What will \(a_6\) be for the rule \(a_n=n^2+4n\)?

Explanation opens after your attempt
Correct Answer

C. (60)

Explanation

Simple Explanation

(n=6) रखने पर (a_6=62+4(6)=60) है। वर्ग और गुणा दोनों सावधानी से करें। / Putting (n=6), (a_6=62+4(6)=60). Handle both the square and multiplication carefully.

Open Question Page
Ask Friends
Question 122/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

नियम \(a_n=90-7n\) से बनने वाला पाँचवाँ पद क्या है?

What is the fifth term formed by \(a_n=90-7n\)?

Explanation opens after your attempt
Correct Answer

C. (55)

Explanation

Simple Explanation

(n=5) रखने पर \(a_5=90-35=55\) है। घटाव वाले नियम में चिन्ह पर ध्यान दें। / Putting (n=5), \(a_5=90-35=55\). Pay attention to the sign in subtraction rules.

Open Question Page
Ask Friends
Question 123/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

कौन सा क्रम \(a_n=5n^2\) से बनता है?

Which sequence is formed by \(a_n=5n^2\)?

Explanation opens after your attempt
Correct Answer

B. (5,20,45,80)

Explanation

Simple Explanation

(n=1,2,3,4) रखने पर (5,20,45,80) मिलते हैं। \(n^2\) को (5) से गुणा करें। / Putting (n=1,2,3,4) gives (5,20,45,80). Multiply \(n^2\) by (5).

Open Question Page
Ask Friends
Question 124/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

कौन सा क्रम \(a_n=4^n-2\) से बने पहले तीन पद दिखाता है?

Which sequence shows the first three terms of \(a_n=4^n-2\)?

Explanation opens after your attempt
Correct Answer

A. (2,14,62)

Explanation

Simple Explanation

\(4^1-2=2\), \(4^2-2=14\), \(4^3-2=62\)। घात निकालकर (2) घटाएँ। / \(4^1-2=2\), \(4^2-2=14\), and \(4^3-2=62\). Evaluate the power and subtract (2).

Open Question Page
Ask Friends
Question 125/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(9,14,19,24,\ldots\) और \(2,7,12,17,\ldots\) के (8)वें पदों का अंतर क्या है?

What is the difference between the (8)th terms of \(9,14,19,24,\ldots\) and \(2,7,12,17,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (7)

Explanation

Simple Explanation

दोनों क्रमों का समान अंतर (5) है, इसलिए पदों का अंतर हमेशा (7) रहेगा। (8)वें पदों में भी यही अंतर है। / Both sequences have common difference (5), so the term difference always remains (7). The (8)th terms also differ by (7).

Open Question Page
Ask Friends
Question 126/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(20,27,34,\ldots\) का (7)वाँ पद और \(11,18,25,\ldots\) का (7)वाँ पद किस प्रकार संबंधित हैं?

How are the (7)th term of \(20,27,34,\ldots\) and the (7)th term of \(11,18,25,\ldots\) related?

Explanation opens after your attempt
Correct Answer

A. पहला (9) अधिक हैThe first is greater by (9)

Explanation

Simple Explanation

दोनों क्रमों का अंतर (7) है और पहले पदों का अंतर (9) है। इसलिए (7)वें पदों का अंतर भी (9) होगा। / Both sequences have difference (7), and their first terms differ by (9). So their (7)th terms also differ by (9).

Open Question Page
Ask Friends
Question 127/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(5,12,19,\ldots\) के पहले (6) पदों का योग क्या है?

What is the sum of the first (6) terms of \(5,12,19,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (135)

Explanation

Simple Explanation

पहले (6) पद (5,12,19,26,33,40) हैं। इनका योग (135) है। / The first (6) terms are (5,12,19,26,33,40). Their sum is (135).

Open Question Page
Ask Friends
Question 128/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(72,65,58,\ldots\) के पहले (5) पदों का योग क्या है?

What is the sum of the first (5) terms of \(72,65,58,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (290)

Explanation

Simple Explanation

पहले (5) पद (72,65,58,51,44) हैं। इनका योग (290) है। / The first (5) terms are (72,65,58,51,44). Their sum is (290).

Open Question Page
Ask Friends
Question 129/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(4,10,16,22,\ldots\) में कौन सा पद (58) है?

Which term is (58) in \(4,10,16,22,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (10)वाँ(10)th

Explanation

Simple Explanation

पहला पद (4) और अंतर (6) है। (4+(n-1)6=58) से (n=10) मिलता है। / The first term is (4) and the difference is (6). From (4+(n-1)6=58), (n=10).

Open Question Page
Ask Friends
Question 130/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(7,12,17,22,\ldots\) में \(a_6+a_7\) का मान क्या है?

What is the value of \(a_6+a_7\) in \(7,12,17,22,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. (59)

Explanation

Simple Explanation

\(a_6=32\) और \(a_7=37\) है। इसलिए \(a_6+a_7=69\), अतः विकल्पों की जाँच दोबारा करनी चाहिए। / \(a_6=32\) and \(a_7=37\). Therefore \(a_6+a_7=69\), so the options should be checked again.

Open Question Page
Ask Friends
Question 131/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(18,25,32,39,\ldots\) में \(a_7-a_4\) क्या है?

What is \(a_7-a_4\) in \(18,25,32,39,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (21)

Explanation

Simple Explanation

\(a_7=60\) और \(a_4=39\) है। इसलिए \(a_7-a_4=21\) है। / \(a_7=60\) and \(a_4=39\). Therefore \(a_7-a_4=21\).

Open Question Page
Ask Friends
Question 132/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(12,17,22,27,\ldots\) में \(a_6\) और \(a_2\) का अंतर क्या है?

What is the difference between \(a_6\) and \(a_2\) in \(12,17,22,27,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (20)

Explanation

Simple Explanation

\(a_6=37\) और \(a_2=17\) है। उनका अंतर (37-17=20) है। / \(a_6=37\) and \(a_2=17\). Their difference is (37-17=20).

Open Question Page
Ask Friends
Question 133/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

यदि \(a_1=11\) और हर अगले पद में (6) जोड़ा जाता है, तो \(a_8\) क्या होगा?

If \(a_1=11\) and (6) is added to each next term, what is \(a_8\)?

Explanation opens after your attempt
Correct Answer

D. (53)

Explanation

Simple Explanation

\(a_8=11+7\times6=53\) है। (8)वें पद तक पहुँचने के लिए (7) बार अंतर जोड़ा जाता है। / \(a_8=11+7\times6=53\). To reach the (8)th term, the difference is added (7) times.

Open Question Page
Ask Friends
Question 134/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

यदि \(a_1=96\) और हर अगले पद में (9) घटाया जाता है, तो \(a_7\) क्या होगा?

If \(a_1=96\) and (9) is subtracted for each next term, what is \(a_7\)?

Explanation opens after your attempt
Correct Answer

B. (42)

Explanation

Simple Explanation

\(a_7=96-6\times9=42\) है। (7)वें पद तक (6) बार घटाव होगा। / \(a_7=96-6\times9=42\). There are (6) subtractions before the (7)th term.

Open Question Page
Ask Friends
Question 135/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(4,13,40,121,\ldots\) में अगला पद क्या है यदि नियम पिछले पद का (3) गुना करके (1) जोड़ना है?

What is the next term in \(4,13,40,121,\ldots\) if the rule is triple the previous term and add (1)?

Explanation opens after your attempt
Correct Answer

B. (364)

Explanation

Simple Explanation

नियम के अनुसार \(121\times3+1=364\) है। अंतिम पद पर दिया गया नियम लगाएँ। / By the rule, \(121\times3+1=364\). Apply the given rule to the last term.

Open Question Page
Ask Friends
Question 136/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(96,47,22.5,10.25,\ldots\) में अगला पद क्या है यदि नियम पिछले पद को (2) से भाग देकर (1) घटाना है?

What is the next term in \(96,47,22.5,10.25,\ldots\) if the rule is divide the previous term by (2) and subtract (1)?

Explanation opens after your attempt
Correct Answer

B. (4.125)

Explanation

Simple Explanation

\(10.25\div2-1=4.125\) है। पहले भाग दें और फिर (1) घटाएँ। / \(10.25\div2-1=4.125\). Divide first and then subtract (1).

Open Question Page
Ask Friends
Question 137/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(6,11,21,36,56,\ldots\) में अगला पद क्या है?

What is the next term in \(6,11,21,36,56,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (81)

Explanation

Simple Explanation

अंतर (5,10,15,20) हैं, इसलिए अगला अंतर (25) होगा। (56+25=81) है। / The differences are (5,10,15,20), so the next difference is (25). (56+25=81).

Open Question Page
Ask Friends
Question 138/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(200,190,170,140,100,\ldots\) में अगला पद क्या होगा?

What will be the next term in \(200,190,170,140,100,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (50)

Explanation

Simple Explanation

घटाव (10,20,30,40) है, अगला घटाव (50) होगा। (100-50=50) है। / The subtractions are (10,20,30,40), so the next subtraction is (50). (100-50=50).

Open Question Page
Ask Friends
Question 139/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(3,6,18,72,\ldots\) का अगला पद क्या है?

What is the next term of \(3,6,18,72,\ldots\)?

Explanation opens after your attempt
Correct Answer

D. (360)

Explanation

Simple Explanation

यहाँ क्रमशः (2,3,4) से गुणा किया गया है। अगला गुणक (5) होगा, इसलिए \(72\times5=360\)। / The terms are multiplied by (2,3,4) successively. The next multiplier is (5), so \(72\times5=360\).

Open Question Page
Ask Friends
Question 140/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(4,20,100,\ldots\) और \(6,30,150,\ldots\) के (3)रे पदों का अनुपात क्या है?

What is the ratio of the (3)rd terms of \(4,20,100,\ldots\) and \(6,30,150,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. (2:3)

Explanation

Simple Explanation

तीसरे पद (100) और (150) हैं। उनका अनुपात (100:150=2:3) है। / The third terms are (100) and (150). Their ratio is (100:150=2:3).

Open Question Page
Ask Friends
Question 141/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(9,15,21,27,\ldots\) में पहले कितने पदों का योग (105) है?

How many first terms of \(9,15,21,27,\ldots\) have sum (105)?

Explanation opens after your attempt
Correct Answer

B. (5)

Explanation

Simple Explanation

पहले (5) पद (9,15,21,27,33) हैं। उनका योग (105) है। / The first (5) terms are (9,15,21,27,33). Their sum is (105).

Open Question Page
Ask Friends
Question 142/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(8,16,24,\ldots\) में कौन सा पद (56) से ठीक पहले आता है?

In \(8,16,24,\ldots\), which term comes just before (56)?

Explanation opens after your attempt
Correct Answer

C. (48)

Explanation

Simple Explanation

क्रम (8,16,24,32,40,48,56) है। (56) से ठीक पहले (48) आता है। / The sequence is (8,16,24,32,40,48,56). The term just before (56) is (48).

Open Question Page
Ask Friends
Question 143/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(192,96,48,24,\ldots\) में (6) से ठीक पहले कौन सा पद आता है?

In \(192,96,48,24,\ldots\), which term comes just before (6)?

Explanation opens after your attempt
Correct Answer

C. (12)

Explanation

Simple Explanation

हर बार आधा हो रहा है। क्रम (192,96,48,24,12,6) है, इसलिए (6) से पहले (12) है। / Each term is halved. The sequence is (192,96,48,24,12,6), so (12) comes before (6).

Open Question Page
Ask Friends
Question 144/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(14,19,24,\ldots\) के (n)वें पद के लिए सही कथन कौन सा है?

Which statement is correct for the (n)th term of \(14,19,24,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. यह (5n+9) हैIt is (5n+9)

Explanation

Simple Explanation

(n=1) पर (5(1)+9=14) और अंतर (5) मिलता है। इसलिए सही नियम (5n+9) है। / At (n=1), (5(1)+9=14), and the difference is (5). So the correct rule is (5n+9).

Open Question Page
Ask Friends
Question 145/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(84,76,68,\ldots\) के (n)वें पद का सही नियम कौन सा है?

Which is the correct rule for the (n)th term of \(84,76,68,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=92-8n\)

Explanation

Simple Explanation

(n=1) रखने पर (92-8=84) मिलता है। यह हर बार (8) घटाने वाला नियम है। / Putting (n=1) gives (92-8=84). This rule decreases by (8) each time.

Open Question Page
Ask Friends
Question 146/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

यदि \(a_1=6\), \(a_2=11\) और हर अगला पद पिछले दो पदों का योग है, तो \(a_5\) क्या होगा?

If \(a_1=6\), \(a_2=11\), and each next term is the sum of the previous two terms, what is \(a_5\)?

Explanation opens after your attempt
Correct Answer

A. (45)

Explanation

Simple Explanation

क्रम (6,11,17,28,45) बनेगा। इसलिए \(a_5=45\) है। / The sequence becomes (6,11,17,28,45). Therefore \(a_5=45\).

Open Question Page
Ask Friends
Question 147/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

यदि क्रम \(5,20,80,320,\ldots\) में \(a_n=1280\) है, तो (n) क्या है?

If \(a_n=1280\) in the sequence \(5,20,80,320,\ldots\), what is (n)?

Explanation opens after your attempt
Correct Answer

B. (5)

Explanation

Simple Explanation

क्रम (5,20,80,320,1280) है। (1280) पाँचवाँ पद है, इसलिए (n=5)। / The sequence is (5,20,80,320,1280). (1280) is the fifth term, so (n=5).

Open Question Page
Ask Friends
Question 148/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(10,13,18,25,34,\ldots\) का अगला पद क्या होगा?

What will be the next term of \(10,13,18,25,34,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. (45)

Explanation

Simple Explanation

अंतर (3,5,7,9) हैं। अगला अंतर (11) होगा, इसलिए (34+11=45)। / The differences are (3,5,7,9). The next difference is (11), so (34+11=45).

Open Question Page
Ask Friends
Question 149/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

क्रम \(12,18,27,39,\ldots\) का अगला पद क्या है यदि अंतर \(6,9,12,\ldots\) के रूप में बढ़ रहे हैं?

What is the next term of \(12,18,27,39,\ldots\) if the differences increase as \(6,9,12,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. (54)

Explanation

Simple Explanation

अंतर (6,9,12) हैं, इसलिए अगला अंतर (15) होगा। (39+15=54) अगला पद है। / The differences are (6,9,12), so the next difference will be (15). (39+15=54) is the next term.

Open Question Page
Ask Friends
Question 150/150 Medium Mathematics Sequences and Progressions Sequences Class 9 Level 43

यदि \(a_n=2n^2+n\) है, तो \(a_5-a_3\) का मान क्या होगा?

If \(a_n=2n^2+n\), what is the value of \(a_5-a_3\)?

Explanation opens after your attempt
Correct Answer

D. (34)

Explanation

Simple Explanation

(a_5=2\(5^2\)+5=55) और (a_3=2\(3^2\)+3=21) है। इसलिए अंतर (55-21=34) है। / (a_5=2\(5^2\)+5=55) and (a_3=2\(3^2\)+3=21). Therefore the difference is (55-21=34).

Open Question Page
Ask Friends

Mathematics Quiz Navigation

Mathematics Subject

All difficulty level maps

Sequences Topic

Topic question list

Sequences and Progressions Chapter

Chapter question list

Search Mathematics

Find related MCQs

All Subjects

Choose another subject
FAQs

Class 9 Mathematics Quiz FAQs

How many questions are in this quiz?

This topic quiz currently has 150 active questions from the selected topic.

Is there a timer in this quiz?

Yes, the timer uses 35 seconds per question for Medium difficulty and shows the total remaining time on the page.

Can I open each question separately?

Yes, every question has its own SEO-friendly page with answer, explanation and related practice links.