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class 9 MCQ Questions for Class 9

class 9 se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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2346 questions tagged with class 9.

Question 1261/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(37,34,31,28,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(37,34,31,28,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. \(a_n=40-3n\)

Explanation

Simple Explanation

(n=1) पर (37) और (n=2) पर (34) मिलता है, इसलिए \(a_n=40-3n\) है। परीक्षा में घटते नियम को पहले पद से जाँचें। / At (n=1) it gives (37), and at (n=2) it gives (34), so \(a_n=40-3n\). In exams, check a decreasing rule with the first term.

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Question 1262/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

यदि \(a_n=40-3n\) है, तो \(a_5\) का मान क्या होगा?

If \(a_n=40-3n\), what is the value of \(a_5\)?

Explanation opens after your attempt
Correct Answer

C. (25)

Explanation

Simple Explanation

\(a_5=40-15=25\) है। परीक्षा में (3n) को सही घटाएँ। / \(a_5=40-15=25\). In exams, subtract (3n) correctly.

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Question 1263/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(2,16,54,128,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(2,16,54,128,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=2n^3\)

Explanation

Simple Explanation

ये पद \(2n^3\) से मिलते हैं। परीक्षा में (n=1,2,3) रखकर नियम जाँचें। / These terms come from \(2n^3\). In exams, check the rule by putting (n=1,2,3).

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Question 1264/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

यदि \(a_n=2n^3\) है, तो \(a_2\) का मान क्या होगा?

If \(a_n=2n^3\), what is the value of \(a_2\)?

Explanation opens after your attempt
Correct Answer

C. (16)

Explanation

Simple Explanation

\(a_2=2\times2^3=16\) है। परीक्षा में घन के बाद (2) से गुणा करें। / \(a_2=2\times2^3=16\). In exams, cube first and then multiply by (2).

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Question 1265/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(0,7,26,63,\ldots\) के लिए सही सामान्य पद कौन-सा है?

Which general term is correct for the sequence \(0,7,26,63,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. \(a_n=n^3-1\)

Explanation

Simple Explanation

\(n^3-1\) से (0,7,26,63) मिलते हैं। परीक्षा में घन वाले विकल्पों को पहले चार पदों से मिलाएँ। / \(n^3-1\) gives (0,7,26,63). In exams, match cube-based options with the first four terms.

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Question 1266/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

यदि \(a_n=n^3-1\) है, तो \(a_3\) का मान क्या होगा?

If \(a_n=n^3-1\), what is the value of \(a_3\)?

Explanation opens after your attempt
Correct Answer

C. (26)

Explanation

Simple Explanation

\(a_3=3^3-1=26\) है। परीक्षा में पहले घन निकालें और फिर (1) घटाएँ। / \(a_3=3^3-1=26\). In exams, find the cube first and then subtract (1).

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Question 1267/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(-3,1,5,9,\ldots\) में (25) कौन-सा पद है?

In the sequence \(-3,1,5,9,\ldots\), which term is (25)?

Explanation opens after your attempt
Correct Answer

C. आठवाँ पद(8)th term

Explanation

Simple Explanation

इसका नियम \(a_n=4n-7\) है और (4n-7=25) से (n=8) है। परीक्षा में पहले सामान्य पद बनाकर पद संख्या निकालें। / Its rule is \(a_n=4n-7\), and (4n-7=25) gives (n=8). In exams, form the general term first to find the term number.

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Question 1268/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

यदि \(a_n=4n-7\) है, तो कौन-सा पद (25) के बराबर होगा?

If \(a_n=4n-7\), which term will be equal to (25)?

Explanation opens after your attempt
Correct Answer

C. (n=8)

Explanation

Simple Explanation

(4n-7=25) से (n=8) मिलता है। परीक्षा में पद संख्या पूछी जाए तो सूत्र को दिए मान के बराबर रखें। / From (4n-7=25), we get (n=8). In exams, when the term number is asked, equate the formula to the given value.

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Question 1269/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(\frac{5}{2},5,\frac{15}{2},10,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(\frac{5}{2},5,\frac{15}{2},10,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=\frac{5n}{2}\)

Explanation

Simple Explanation

हर पद \(\frac{5}{2}\) का अगला गुणज है। परीक्षा में भिन्न गुणजों को (kn) के रूप में लिखें। / Each term is the next multiple of \(\frac{5}{2}\). In exams, write fractional multiples as (kn).

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Question 1270/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

यदि \(a_n=\frac{5n}{2}\) है, तो \(a_6\) का मान क्या होगा?

If \(a_n=\frac{5n}{2}\), what is the value of \(a_6\)?

Explanation opens after your attempt
Correct Answer

C. (15)

Explanation

Simple Explanation

\(a_6=\frac{5\times6}{2}=15\) है। परीक्षा में भिन्न को सरल करके उत्तर दें। / \(a_6=\frac{5\times6}{2}=15\). In exams, simplify the fraction before answering.

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Question 1271/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(7,22,47,82,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(7,22,47,82,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=5n^2+2\)

Explanation

Simple Explanation

\(5n^2+2\) से (7,22,47,82) मिलते हैं। परीक्षा में वर्ग आधारित नियमों को छोटे (n) मानों से जाँचें। / \(5n^2+2\) gives (7,22,47,82). In exams, test square-based rules with small (n) values.

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Question 1272/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

यदि \(a_n=5n^2+2\) है, तो \(a_2\) का मान क्या होगा?

If \(a_n=5n^2+2\), what is the value of \(a_2\)?

Explanation opens after your attempt
Correct Answer

B. (22)

Explanation

Simple Explanation

\(a_2=5\times4+2=22\) है। परीक्षा में वर्ग निकालकर (5) से गुणा करें। / \(a_2=5\times4+2=22\). In exams, square first and then multiply by (5).

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Question 1273/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(4,16,64,256,\ldots\) के लिए सही स्पष्ट नियम कौन-सा है?

Which explicit rule is correct for the sequence \(4,16,64,256,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. \(a_n=4^n\)

Explanation

Simple Explanation

ये पद (4) की क्रमिक घातें हैं। परीक्षा में तेज बढ़ते अनुक्रमों में घात वाले नियम जाँचें। / These terms are consecutive powers of (4). In exams, check power rules in rapidly growing sequences.

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Question 1274/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

यदि \(a_n=4^n\) है, तो \(a_2\) का मान क्या होगा?

If \(a_n=4^n\), what is the value of \(a_2\)?

Explanation opens after your attempt
Correct Answer

C. (16)

Explanation

Simple Explanation

\(a_2=4^2=16\) है। परीक्षा में आधार और घातांक को अलग पहचानें। / \(a_2=4^2=16\). In exams, identify the base and exponent separately.

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Question 1275/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(28,26,24,22,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(28,26,24,22,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. \(a_n=30-2n\)

Explanation

Simple Explanation

(n=1) पर (28) और (n=2) पर (26) मिलता है, इसलिए \(a_n=30-2n\) है। परीक्षा में घटते अंतर को ऋणात्मक मानें। / At (n=1) it gives (28), and at (n=2) it gives (26), so \(a_n=30-2n\). In exams, treat a decreasing difference as negative.

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Question 1276/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

यदि \(a_n=30-2n\) है, तो \(a_7\) का मान क्या होगा?

If \(a_n=30-2n\), what is the value of \(a_7\)?

Explanation opens after your attempt
Correct Answer

C. (16)

Explanation

Simple Explanation

\(a_7=30-14=16\) है। परीक्षा में घटते सूत्र में (2n) को सही घटाएँ। / \(a_7=30-14=16\). In exams, subtract (2n) correctly in a decreasing formula.

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Question 1277/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(5,8,13,20,\ldots\) के लिए सही सामान्य पद कौन-सा है?

Which general term is correct for the sequence \(5,8,13,20,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. \(a_n=n^2+4\)

Explanation

Simple Explanation

\(n^2+4\) रखने पर (5,8,13,20) मिलते हैं। परीक्षा में विकल्पों को (n=1,2,3) से मिलाएँ। / Using \(n^2+4\) gives (5,8,13,20). In exams, match options using (n=1,2,3).

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Question 1278/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

यदि \(a_n=n^2+4\) है, तो \(a_4\) का मान क्या होगा?

If \(a_n=n^2+4\), what is the value of \(a_4\)?

Explanation opens after your attempt
Correct Answer

C. (20)

Explanation

Simple Explanation

\(a_4=4^2+4=20\) है। परीक्षा में पहले वर्ग निकालें और फिर (4) जोड़ें। / \(a_4=4^2+4=20\). In exams, find the square first and then add (4).

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Question 1279/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(14,20,26,32,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(14,20,26,32,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=6n+8\)

Explanation

Simple Explanation

अंतर (6) है और पहला पद (14) है, इसलिए \(a_n=6n+8\) है। परीक्षा में अंतर को (n) का गुणांक मानें। / The difference is (6) and the first term is (14), so \(a_n=6n+8\). In exams, take the difference as the coefficient of (n).

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Question 1280/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

यदि \(a_n=8n+6\) है, तो \(a_3\) का मान क्या होगा?

If \(a_n=8n+6\), what is the value of \(a_3\)?

Explanation opens after your attempt
Correct Answer

B. (30)

Explanation

Simple Explanation

\(a_3=8\times3+6=30\) है। परीक्षा में पद संख्या को सीधे सूत्र में रखें। / \(a_3=8\times3+6=30\). In exams, put the term number directly into the formula.

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Question 1281/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(2,7,12,17,\ldots\) के लिए सही स्पष्ट नियम कौन-सा है?

Which explicit rule is correct for the sequence \(2,7,12,17,\ldots\)?

Explanation opens after your attempt
Correct Answer

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

Explanation

Simple Explanation

पहला पद (2) और अंतर (5) है, इसलिए \(a_n=5n-3\) है। परीक्षा में (n=1) रखकर पहला पद जरूर जाँचें। / The first term is (2) and the difference is (5), so \(a_n=5n-3\). In exams, always check the first term by putting (n=1).

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Question 1282/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

यदि \(a_n=12n+1\) है, तो \(a_2\) का मान क्या होगा?

If \(a_n=12n+1\), what is the value of \(a_2\)?

Explanation opens after your attempt
Correct Answer

C. (25)

Explanation

Simple Explanation

\(a_2=12\times2+1=25\) है। परीक्षा में पहले गुणा करें और फिर (1) जोड़ें। / \(a_2=12\times2+1=25\). In exams, multiply first and then add (1).

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Question 1283/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 52

अनुक्रम \(13,26,39,52,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(13,26,39,52,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=13n\)

Explanation

Simple Explanation

हर पद (13) का गुणज है, इसलिए \(a_n=13n\) है। परीक्षा में गुणज वाले अनुक्रम को (kn) से जाँचें। / Each term is a multiple of (13), so \(a_n=13n\). In exams, check multiple-based sequences using (kn).

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Question 1284/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 51

यदि \(a_n=18+n\) है, तो \(a_5\) का मान क्या होगा?

If \(a_n=18+n\), what is the value of \(a_5\)?

Explanation opens after your attempt
Correct Answer

C. (23)

Explanation

Simple Explanation

\(a_5=18+5=23\) है। परीक्षा में सरल जोड़ वाले सूत्रों में सीधे प्रतिस्थापन करें। / \(a_5=18+5=23\). In exams, substitute directly in simple addition formulas.

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Question 1285/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 51

अनुक्रम \(-1,0,3,8,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(-1,0,3,8,\ldots\)?

Explanation opens after your attempt
Correct Answer

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

Explanation

Simple Explanation

\(n^2-2n\) से (-1,0,3,8) मिलते हैं। परीक्षा में ऋणात्मक पहला पद आने पर भी विकल्पों को जाँचें। / \(n^2-2n\) gives (-1,0,3,8). In exams, keep testing options even when the first term is negative.

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Question 1286/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 51

यदि \(a_n=n^2-2n\) है, तो \(a_6\) का मान क्या होगा?

If \(a_n=n^2-2n\), what is the value of \(a_6\)?

Explanation opens after your attempt
Correct Answer

D. (24)

Explanation

Simple Explanation

\(a_6=36-12=24\) है। परीक्षा में वर्ग में से (2n) घटाएँ। / \(a_6=36-12=24\). In exams, subtract (2n) from the square.

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Question 1287/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 51

अनुक्रम \(1,7,25,79,\ldots\) के लिए सही स्पष्ट नियम कौन-सा है?

Which explicit rule is correct for the sequence \(1,7,25,79,\ldots\)?

Explanation opens after your attempt
Correct Answer

B. \(a_n=3^n-2\)

Explanation

Simple Explanation

\(3^n-2\) से (1,7,25,79) मिलते हैं। परीक्षा में घात वाले विकल्पों में स्थिर घटाव भी जाँचें। / \(3^n-2\) gives (1,7,25,79). In exams, also check constant subtraction in power-based options.

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Question 1288/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 51

यदि \(a_n=3^n-2\) है, तो \(a_3\) का मान क्या होगा?

If \(a_n=3^n-2\), what is the value of \(a_3\)?

Explanation opens after your attempt
Correct Answer

C. (25)

Explanation

Simple Explanation

\(a_3=3^3-2=25\) है। परीक्षा में पहले घात निकालें और फिर (2) घटाएँ। / \(a_3=3^3-2=25\). In exams, find the power first and then subtract (2).

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Question 1289/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 51

अनुक्रम \(3,9,19,33,\ldots\) का सामान्य पद क्या है?

What is the general term of the sequence \(3,9,19,33,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. \(a_n=2n^2+1\)

Explanation

Simple Explanation

\(2n^2+1\) रखने पर (3,9,19,33) मिलते हैं। परीक्षा में वर्ग वाले नियम को पहले चार पदों से मिलाएँ। / Using \(2n^2+1\) gives (3,9,19,33). In exams, match the square-based rule with the first four terms.

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Question 1290/2346 Easy Mathematics Sequences and Progressions Explicit or general rule Class 9 Level 51

यदि \(a_n=2n^2+1\) है, तो \(a_3\) का मान क्या होगा?

If \(a_n=2n^2+1\), what is the value of \(a_3\)?

Explanation opens after your attempt
Correct Answer

B. (19)

Explanation

Simple Explanation

\(a_3=2\times9+1=19\) है। परीक्षा में वर्ग के बाद (2) से गुणा करें और (1) जोड़ें। / \(a_3=2\times9+1=19\). In exams, square first, multiply by (2), and add (1).

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