एक राहत शिविर में (16) पंक्तियों में कुल (960) पैकेट रखे गए। यदि हर अगली पंक्ति में (4) पैकेट अधिक हैं तो पहली पंक्ति में कितने पैकेट थे?
In a relief camp (960) packets are placed in (16) rows. If each next row has (4) more packets then how many packets were in the first row?
#ap
#word-problem
#relief
#first-term
A (24)
B (27)
C (30)
D (33)
Explanation opens after your attempt
Step 1
Concept
Using \(S_{16}=960\) and (d=4) gives (a=30). Exam tip: solve the sum formula for the unknown first term.
Step 2
Why this answer is correct
The correct answer is C. (30). Using \(S_{16}=960\) and (d=4) gives (a=30). Exam tip: solve the sum formula for the unknown first term.
Step 3
Exam Tip
\(S_{16}=960\) और (d=4) रखने पर (a=30) मिलता है। परीक्षा में अज्ञात प्रथम पद के लिए योग सूत्र हल करें।
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एक ऐप पर (14) दिनों में कुल (2590) डाउनलोड हुए। यदि हर दिन डाउनलोड (12) से बढ़े तो पहले दिन कितने डाउनलोड हुए?
An app gets (2590) downloads in (14) days. If downloads increase by (12) each day then how many downloads happened on the first day?
#ap
#word-problem
#downloads
#first-term
A (101)
B (104)
C (107)
D (110)
Explanation opens after your attempt
Step 1
Concept
Using \(S_{14}=2590\) and (d=12) gives (a=107). Exam tip: find the first day from total and increase.
Step 2
Why this answer is correct
The correct answer is C. (107). Using \(S_{14}=2590\) and (d=12) gives (a=107). Exam tip: find the first day from total and increase.
Step 3
Exam Tip
\(S_{14}=2590\) और (d=12) रखने पर (a=107) मिलता है। परीक्षा में कुल और वृद्धि से पहला दिन निकालें।
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एक मेले में (18) दिनों में कुल (1485) टिकट बिके। यदि हर दिन बिक्री (5) टिकट से बढ़ी तो पहले दिन कितने टिकट बिके?
In a fair (1485) tickets are sold in (18) days. If the sale increases by (5) tickets each day then how many tickets were sold on the first day?
#ap
#word-problem
#tickets
#first-term
A (35)
B (40)
C (45)
D (50)
Explanation opens after your attempt
Step 1
Concept
Using \(S_{18}=1485\) and (d=5) gives (a=40). Exam tip: solve the sum formula backward to find the first term.
Step 2
Why this answer is correct
The correct answer is B. (40). Using \(S_{18}=1485\) and (d=5) gives (a=40). Exam tip: solve the sum formula backward to find the first term.
Step 3
Exam Tip
\(S_{18}=1485\) और (d=5) रखने पर (a=40) मिलता है। परीक्षा में प्रथम पद निकालते समय योग सूत्र को उल्टा हल करें।
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एक दुकान की (12) सप्ताहों की कुल बिक्री (990) वस्तुएं है। यदि हर सप्ताह बिक्री (6) वस्तुओं से बढ़ती है तो पहले सप्ताह की बिक्री कितनी थी?
The total sale of a shop for (12) weeks is (990) items. If the sale increases by (6) items every week then what was the sale in the first week?
#ap
#word-problem
#first-term
A (48)
B (50)
C (52)
D (54)
Explanation opens after your attempt
Step 1
Concept
Using \(S_{12}=990\) and (d=6) gives (a=50). Exam tip: solve the sum formula for the unknown first term.
Step 2
Why this answer is correct
The correct answer is B. (50). Using \(S_{12}=990\) and (d=6) gives (a=50). Exam tip: solve the sum formula for the unknown first term.
Step 3
Exam Tip
\(S_{12}=990\) और (d=6) रखने पर (a=50) मिलता है। परीक्षा में अज्ञात प्रथम पद के लिए योग सूत्र हल करें।
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एक दुकान की (10) सप्ताहों की कुल बिक्री (725) वस्तुएं है। यदि हर सप्ताह बिक्री (5) वस्तुओं से बढ़ती है तो पहले सप्ताह की बिक्री कितनी थी?
The total sale of a shop for (10) weeks is (725) items. If the sale increases by (5) items every week then what was the sale in the first week?
#ap
#word-problem
#first-term
A (48)
B (50)
C (52)
D (55)
Explanation opens after your attempt
Step 1
Concept
Using \(S_{10}=725\) and (d=5) gives (a=50). Exam tip: solve the sum formula for the unknown first term.
Step 2
Why this answer is correct
The correct answer is B. (50). Using \(S_{10}=725\) and (d=5) gives (a=50). Exam tip: solve the sum formula for the unknown first term.
Step 3
Exam Tip
\(S_{10}=725\) और (d=5) रखने पर (a=50) मिलता है। परीक्षा में अज्ञात प्रथम पद के लिए योग सूत्र हल करें।
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एक दुकान की (8) सप्ताहों की कुल बिक्री (440) वस्तुएं है। यदि हर सप्ताह बिक्री (10) वस्तुओं से बढ़ती है तो पहले सप्ताह की बिक्री कितनी थी?
The total sale of a shop for (8) weeks is (440) items. If the sale increases by (10) items every week then what was the sale in the first week?
#ap
#word-problem
#first-term
A (20)
B (25)
C (30)
D (35)
Explanation opens after your attempt
Step 1
Concept
Using \(S_8=440\) and (d=10) gives (a=20). Exam tip: solve the sum formula for the unknown first term.
Step 2
Why this answer is correct
The correct answer is A. (20). Using \(S_8=440\) and (d=10) gives (a=20). Exam tip: solve the sum formula for the unknown first term.
Step 3
Exam Tip
\(S_8=440\) और (d=10) रखने पर (a=20) मिलता है। परीक्षा में अज्ञात प्रथम पद के लिए योग सूत्र हल करें।
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किसी समान्तर श्रेणी में \(S_{14}=777\) और \(t_{14}=96\) है। प्रथम पद क्या होगा?
In an arithmetic progression \(S_{14}=777\) and \(t_{14}=96\). What is the first term?
#ap
#first-term
#last-term
#expert
A (13)
B (15)
C (17)
D (19)
Explanation opens after your attempt
Step 1
Concept
From (777=7(a+96)), (a=15). Exam tip: use the last term and sum to find the first term.
Step 2
Why this answer is correct
The correct answer is B. (15). From (777=7(a+96)), (a=15). Exam tip: use the last term and sum to find the first term.
Step 3
Exam Tip
(777=7(a+96)) से (a=15) मिलता है। परीक्षा में अंतिम पद और योग से प्रथम पद निकालें।
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किसी समांतर श्रेढ़ी में पहले (30) पदों का योग (3000) है और (30)वाँ पद (150) है। पहला पद ज्ञात कीजिए।
In an AP, the sum of the first (30) terms is (3000), and the (30)th term is (150). Find the first term.
#first term
#last term
#sum
#ap
A (45)
B (50)
C (55)
D (60)
Explanation opens after your attempt
Step 1
Concept
From (3000=15(a+150)), (a=50). Treat the (n)th term as the last term of the first (n) terms.
Step 2
Why this answer is correct
The correct answer is B. (50). From (3000=15(a+150)), (a=50). Treat the (n)th term as the last term of the first (n) terms.
Step 3
Exam Tip
(3000=15(a+150)) से (a=50) मिलता है। (n)वें पद को पहले (n) पदों का अंतिम पद मानें।
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किसी समांतर श्रेढ़ी में पहले (25) पदों का योग (1625) है और (25)वाँ पद (113) है। पहला पद ज्ञात कीजिए।
In an AP, the sum of the first (25) terms is (1625), and the (25)th term is (113). Find the first term.
#first term
#last term
#sum
#ap
A (17)
B (15)
C (19)
D (21)
Explanation opens after your attempt
Step 1
Concept
From (1625=\frac{25}{2}(a+113)), (a=17). Treat the (n)th term as the last term of the first (n) terms.
Step 2
Why this answer is correct
The correct answer is A. (17). From (1625=\frac{25}{2}(a+113)), (a=17). Treat the (n)th term as the last term of the first (n) terms.
Step 3
Exam Tip
(1625=\frac{25}{2}(a+113)) से (a=17) मिलता है। (n)वें पद को पहले (n) पदों का अंतिम पद मानें।
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किसी समांतर श्रेढ़ी में पहले (20) पदों का योग (740) है और (20)वाँ पद (60) है। पहला पद ज्ञात कीजिए।
In an AP, the sum of the first (20) terms is (740), and the (20)th term is (60). Find the first term.
#first term
#last term
#sum
#ap
A (10)
B (14)
C (18)
D (22)
Explanation opens after your attempt
Step 1
Concept
From (740=10(a+60)), (a=14). When the (n)th term is given, use it as the last term for the first (n) terms.
Step 2
Why this answer is correct
The correct answer is B. (14). From (740=10(a+60)), (a=14). When the (n)th term is given, use it as the last term for the first (n) terms.
Step 3
Exam Tip
(740=10(a+60)) से (a=14) मिलता है। जब (n)वाँ पद दिया हो तो उसे अंतिम पद की तरह इस्तेमाल करें।
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पहले (15) पदों का योग (975) है और अंतिम पद (97) है। पहला पद कितना होगा?
The sum of the first (15) terms is (975), and the last term is (97). What is the first term?
#reverse_formula
#first_term
#ap_sum
A (31)
B (33)
C (35)
D (37)
Explanation opens after your attempt
Step 1
Concept
From (975=\frac{15}{2}(a+97)), (a=33). First find the value of (a+l).
Step 2
Why this answer is correct
The correct answer is B. (33). From (975=\frac{15}{2}(a+97)), (a=33). First find the value of (a+l).
Step 3
Exam Tip
(975=\frac{15}{2}(a+97)) से (a=33)। पहले (a+l) का मान निकालें।
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यदि किसी समांतर श्रेणी के पहले (10) पदों का योग (310) है और अंतिम पद (49) है, तो पहला पद कितना होगा?
If the sum of the first (10) terms of an arithmetic progression is (310), and the last term is (49), what is the first term?
#reverse_formula
#first_term
#ap_sum
A (11)
B (12)
C (13)
D (14)
Explanation opens after your attempt
Step 1
Concept
From (310=\frac{10}{2}(a+49)), (a=13). Using the sum formula in reverse also appears in exams.
Step 2
Why this answer is correct
The correct answer is C. (13). From (310=\frac{10}{2}(a+49)), (a=13). Using the sum formula in reverse also appears in exams.
Step 3
Exam Tip
(310=\frac{10}{2}(a+49)) से (a=13)। योग सूत्र को उल्टा लगाना भी परीक्षा में आता है।
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समांतर श्रेढ़ी \(21,28,35,\ldots\) के पहले (6) पदों का योग कितना होगा?
What will be the sum of the first (6) terms of the arithmetic progression \(21,28,35,\ldots\)?
#ap_sum
#multiples
#first_term
A (231)
B (238)
C (245)
D (252)
Explanation opens after your attempt
Step 1
Concept
These are the (3)rd to (8)th multiples of (7), or directly (a=21), (d=7), (n=6) gives (231). Look carefully at the first term.
Step 2
Why this answer is correct
The correct answer is A. (231). These are the (3)rd to (8)th multiples of (7), or directly (a=21), (d=7), (n=6) gives (231). Look carefully at the first term.
Step 3
Exam Tip
यह (7) के (3)वें से (8)वें गुणजों का योग है, या सीधे (a=21), (d=7), (n=6) से (231) मिलता है। प्रश्न में पहले पद को ध्यान से देखें।
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एक समान्तर श्रेणी में \(a_{12}=54\) और \(a_{20}=94\) है। पहला पद क्या होगा?
In an AP, \(a_{12}=54\) and \(a_{20}=94\). What is the first term?
#ap
#two-terms
#first-term
#class10
A (-1)
B (0)
C (1)
D (2)
Explanation opens after your attempt
Step 1
Concept
\(d=\frac{94-54}{8}=5\) and \(a_1=54-11\times5=-1\). Find (d) first and move backward.
Step 2
Why this answer is correct
The correct answer is A. (-1). \(d=\frac{94-54}{8}=5\) and \(a_1=54-11\times5=-1\). Find (d) first and move backward.
Step 3
Exam Tip
\(d=\frac{94-54}{8}=5\) और \(a_1=54-11\times5=-1\)। पहले (d) निकालकर पीछे जाएं।
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यदि \(a_n=3n-2\) है तो पहला पद और सार्व अंतर क्या होंगे?
If \(a_n=3n-2\), what are the first term and common difference?
#ap
#direct-formula
#first-term
#class10
A (a=3,d=1)
B (a=2,d=3)
C (a=1,d=2)
D (a=1,d=3)
Explanation opens after your attempt
Correct Answer
D. (a=1,d=3)
Step 1
Concept
Putting (n=1), \(a_1=1\) and the coefficient of (n) is (d=3). The direct formula gives both values quickly.
Step 2
Why this answer is correct
The correct answer is D. (a=1,d=3). Putting (n=1), \(a_1=1\) and the coefficient of (n) is (d=3). The direct formula gives both values quickly.
Step 3
Exam Tip
(n=1) रखने पर \(a_1=1\) और (n) का गुणांक (3) ही (d) है। प्रत्यक्ष सूत्र से दोनों मान तुरंत मिलते हैं।
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किसी समान्तर श्रेणी का (10)वां पद (62) और (d=5) है। \(a_1\) क्या होगा?
The (10)th term of an AP is (62) and (d=5). What is \(a_1\)?
#ap
#first-term
#known-term
#class10
A (12)
B (15)
C (20)
D (17)
Explanation opens after your attempt
Step 1
Concept
From \(62=a+9\times5\), (a=17). From the (10)th term to the first term, subtract (9d).
Step 2
Why this answer is correct
The correct answer is D. (17). From \(62=a+9\times5\), (a=17). From the (10)th term to the first term, subtract (9d).
Step 3
Exam Tip
\(62=a+9\times5\) से (a=17)। (10)वें पद से पहले पद तक (9d) घटता है।
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किसी समान्तर श्रेणी का (9)वां पद (47) और सार्व अंतर (4) है। पहला पद क्या है?
The (9)th term of an AP is (47) and the common difference is (4). What is the first term?
#ap
#first-term
#nth-term
#class10
A (11)
B (13)
C (17)
D (15)
Explanation opens after your attempt
Step 1
Concept
From \(47=a+8\times4\), (a=15). To move from the known term to the first term, subtract (8d).
Step 2
Why this answer is correct
The correct answer is D. (15). From \(47=a+8\times4\), (a=15). To move from the known term to the first term, subtract (8d).
Step 3
Exam Tip
\(47=a+8\times4\) से (a=15)। ज्ञात पद से पहले पद तक जाने के लिए (8d) घटाएं।
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एक समान्तर श्रेणी में \(a_{15}=70\) और \(a_{25}=120\) है। \(a_1\) क्या होगा?
In an AP, \(a_{15}=70\) and \(a_{25}=120\). What is \(a_1\)?
#ap
#two-terms
#first-term
#class10
A (0)
B (5)
C (10)
D (15)
Explanation opens after your attempt
Step 1
Concept
\(d=\frac{120-70}{25-15}=5\), so \(a_1=70-14\times5=0\). First find (d), then move backward.
Step 2
Why this answer is correct
The correct answer is A. (0). \(d=\frac{120-70}{25-15}=5\), so \(a_1=70-14\times5=0\). First find (d), then move backward.
Step 3
Exam Tip
\(d=\frac{120-70}{25-15}=5\), इसलिए \(a_1=70-14\times5=0\)। पहले (d) निकालकर पीछे जाएं।
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यदि \(a_n=2n+5\) है, तो समान्तर श्रेणी का पहला पद और सार्व अंतर क्या होंगे?
If \(a_n=2n+5\), what are the first term and common difference of the AP?
#ap
#direct-formula
#first-term
#class10
A (a=7,d=2)
B (a=5,d=2)
C (a=2,d=5)
D (a=7,d=5)
Explanation opens after your attempt
Correct Answer
A. (a=7,d=2)
Step 1
Concept
Putting (n=1), \(a_1=7\), and consecutive terms differ by (2). In a direct formula, (d) is the coefficient of (n).
Step 2
Why this answer is correct
The correct answer is A. (a=7,d=2). Putting (n=1), \(a_1=7\), and consecutive terms differ by (2). In a direct formula, (d) is the coefficient of (n).
Step 3
Exam Tip
(n=1) रखने पर \(a_1=7\) और लगातार पदों का अंतर (2) है। प्रत्यक्ष सूत्र में (d) (n) के गुणांक से मिलता है।
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किसी समान्तर श्रेणी का (8)वां पद (35) और (d=4) है। \(a_1\) क्या होगा?
The (8)th term of an AP is (35) and (d=4). What is \(a_1\)?
#ap
#first-term
#nth-term
#class10
A (11)
B (9)
C (7)
D (13)
Explanation opens after your attempt
Step 1
Concept
\(35=a+7\times4\), so (a=7). For the (8)th term, subtract (7d).
Step 2
Why this answer is correct
The correct answer is C. (7). \(35=a+7\times4\), so (a=7). For the (8)th term, subtract (7d).
Step 3
Exam Tip
\(35=a+7\times4\), इसलिए (a=7)। (8)वें पद के लिए (7d) घटाएं।
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एक समान्तर श्रेणी का (6)वां पद (23) और सार्व अंतर (5) है। पहला पद क्या होगा?
The (6)th term of an AP is (23) and the common difference is (5). What is the first term?
#ap
#first-term
#nth-term
#class10
A (0)
B (3)
C (2)
D (-2)
Explanation opens after your attempt
Step 1
Concept
(23=a+5d=a+25), so (a=-2). When moving backward from a given term, subtract (5d).
Step 2
Why this answer is correct
The correct answer is D. (-2). (23=a+5d=a+25), so (a=-2). When moving backward from a given term, subtract (5d).
Step 3
Exam Tip
(23=a+5d=a+25), इसलिए (a=-2)। दिए गए पद से पीछे जाते समय (5d) घटाया जाता है।
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एक समांतर श्रेढ़ी में \(a_1=13\) और (d=8) है। (10)वाँ पद क्या है?
In an AP, \(a_1=13\) and (d=8). What is the (10)th term?
#ap
#nth term
#first term
A (85)
B (93)
C (80)
D (77)
Explanation opens after your attempt
Step 1
Concept
\(a_{10}=13+9\times8=85\). \(a_1\) is the first term (a).
Step 2
Why this answer is correct
The correct answer is A. (85). \(a_{10}=13+9\times8=85\). \(a_1\) is the first term (a).
Step 3
Exam Tip
\(a_{10}=13+9\times8=85\)। \(a_1\) ही प्रथम पद (a) होता है।
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किस अनुक्रम में पहला पद और सामान्य अंतर बराबर हैं?
In which sequence are the first term and the common difference equal?
#ap
#first_term
#common_difference
A \(6,12,18,24,\ldots\)
B \(6,10,14,18,\ldots\)
C \(6,6,6,6,\ldots\)
D \(6,0,-6,-12,\ldots\)
Explanation opens after your attempt
Correct Answer
A. \(6,12,18,24,\ldots\)
Step 1
Concept
The first term is (6) and the common difference is also (6). In exams, identify the first term and the difference separately.
Step 2
Why this answer is correct
The correct answer is A. \(6,12,18,24,\ldots\). The first term is (6) and the common difference is also (6). In exams, identify the first term and the difference separately.
Step 3
Exam Tip
पहला पद (6) और सामान्य अंतर भी (6) है। परीक्षा में पहले पद और अंतर को अलग-अलग पहचानें।
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एक अनुक्रम का (n)वां पद (a_n=11-3(n-1)) है। पहला पद और सामान्य अंतर क्या हैं?
The (n)th term of a sequence is (a_n=11-3(n-1)). What are the first term and common difference?
#ap
#nth_term
#first_term
A \(a_1=11,d=-3\)
B \(a_1=8,d=3\)
C \(a_1=11,d=3\)
D \(a_1=-3,d=11\)
Explanation opens after your attempt
Correct Answer
A. \(a_1=11,d=-3\)
Step 1
Concept
Putting (n=1) gives the first term (11), and each step adds (-3). In exams, recognize the form (a+d(n-1)).
Step 2
Why this answer is correct
The correct answer is A. \(a_1=11,d=-3\). Putting (n=1) gives the first term (11), and each step adds (-3). In exams, recognize the form (a+d(n-1)).
Step 3
Exam Tip
(n=1) रखने पर पहला पद (11) और प्रत्येक वृद्धि में (-3) जुड़ता है। परीक्षा में (a+d(n-1)) रूप को पहचानें।
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निम्न में से किस अनुक्रम में (a=-6) और (d=5) है?
Which of the following sequences has (a=-6) and (d=5)?
#ap
#first term
#identify ap
#medium
A \(-6,-1,4,9,\ldots\)
B \(-6,0,6,12,\ldots\)
C \(6,11,16,21,\ldots\)
D \(-5,0,5,10,\ldots\)
Explanation opens after your attempt
Correct Answer
A. \(-6,-1,4,9,\ldots\)
Step 1
Concept
In \(-6,-1,4,9,\ldots\), the first term is (-6) and the difference is (5). Both conditions must match.
Step 2
Why this answer is correct
The correct answer is A. \(-6,-1,4,9,\ldots\). In \(-6,-1,4,9,\ldots\), the first term is (-6) and the difference is (5). Both conditions must match.
Step 3
Exam Tip
\(-6,-1,4,9,\ldots\) में पहला पद (-6) और अंतर (5) है। दोनों शर्तें मिलनी चाहिए।
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किस विकल्प में (a=14) और (d=4) है?
Which option has (a=14) and (d=4)?
#ap
#first term
#value of d
#medium
A \(4,8,12,16,\ldots\)
B \(14,18,22,26,\ldots\)
C \(14,17,20,23,\ldots\)
D \(18,22,26,30,\ldots\)
Explanation opens after your attempt
Correct Answer
B. \(14,18,22,26,\ldots\)
Step 1
Concept
In \(14,18,22,26,\ldots\), the first term is (14) and the difference is (4). Check both (a) and (d) together.
Step 2
Why this answer is correct
The correct answer is B. \(14,18,22,26,\ldots\). In \(14,18,22,26,\ldots\), the first term is (14) and the difference is (4). Check both (a) and (d) together.
Step 3
Exam Tip
\(14,18,22,26,\ldots\) में पहला पद (14) और अंतर (4) है। (a) और (d) दोनों शर्तें साथ में जांचें।
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अनुक्रम \(-8,-3,2,7,\ldots\) में (a) और (d) क्रमशः क्या हैं?
In the sequence \(-8,-3,2,7,\ldots\), what are (a) and (d) respectively?
#ap
#first term
#common difference
#integers
A (-8) और (5) / (-8) and (5)
B (-3) और (5) / (-3) and (5)
C (-8) और (-5) / (-8) and (-5)
D (5) और (-8) / (5) and (-8)
Explanation opens after your attempt
Correct Answer
A. (-8) और (5) / (-8) and (5)
Step 1
Concept
The first term is (-8), and (d=-3-(-8)=5). Pay attention to signs with negative numbers.
Step 2
Why this answer is correct
The correct answer is A. (-8) और (5) / (-8) and (5). The first term is (-8), and (d=-3-(-8)=5). Pay attention to signs with negative numbers.
Step 3
Exam Tip
पहला पद (-8) है और (d=-3-(-8)=5) है। ऋणात्मक संख्याओं में चिह्न पर ध्यान दें।
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निम्न में से किस अनुक्रम में (a=-4) और (d=6) है?
Which of the following sequences has (a=-4) and (d=6)?
#ap
#first term
#identify ap
#medium
A \(-4,0,4,8,\ldots\)
B \(-4,2,8,14,\ldots\)
C \(4,10,16,22,\ldots\)
D \(-6,0,6,12,\ldots\)
Explanation opens after your attempt
Correct Answer
B. \(-4,2,8,14,\ldots\)
Step 1
Concept
In \(-4,2,8,14,\ldots\), the first term is (-4) and the difference is (6). Both conditions must match.
Step 2
Why this answer is correct
The correct answer is B. \(-4,2,8,14,\ldots\). In \(-4,2,8,14,\ldots\), the first term is (-4) and the difference is (6). Both conditions must match.
Step 3
Exam Tip
\(-4,2,8,14,\ldots\) में पहला पद (-4) और अंतर (6) है। दोनों शर्तें मिलनी चाहिए।
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किस विकल्प में (a=9) और (d=3) है?
Which option has (a=9) and (d=3)?
#ap
#first term
#value of d
#medium
A \(3,6,9,12,\ldots\)
B \(9,12,15,18,\ldots\)
C \(9,11,13,15,\ldots\)
D \(12,15,18,21,\ldots\)
Explanation opens after your attempt
Correct Answer
B. \(9,12,15,18,\ldots\)
Step 1
Concept
In \(9,12,15,18,\ldots\), the first term is (9) and the difference is (3). Check both (a) and (d) together.
Step 2
Why this answer is correct
The correct answer is B. \(9,12,15,18,\ldots\). In \(9,12,15,18,\ldots\), the first term is (9) and the difference is (3). Check both (a) and (d) together.
Step 3
Exam Tip
\(9,12,15,18,\ldots\) में पहला पद (9) और अंतर (3) है। (a) और (d) दोनों शर्तें एक साथ जांचें।
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अनुक्रम \(-2,3,8,13,\ldots\) में (a) और (d) क्रमशः क्या हैं?
In the sequence \(-2,3,8,13,\ldots\), what are (a) and (d) respectively?
#ap
#first term
#common difference
#integers
A (-2) और (5) / (-2) and (5)
B (3) और (5) / (3) and (5)
C (-2) और (-5) / (-2) and (-5)
D (5) और (-2) / (5) and (-2)
Explanation opens after your attempt
Correct Answer
A. (-2) और (5) / (-2) and (5)
Step 1
Concept
The first term is (-2) and (3-(-2)=5). Be careful while subtracting negative terms.
Step 2
Why this answer is correct
The correct answer is A. (-2) और (5) / (-2) and (5). The first term is (-2) and (3-(-2)=5). Be careful while subtracting negative terms.
Step 3
Exam Tip
पहला पद (-2) है और (3-(-2)=5) है। ऋणात्मक पदों में घटाव सावधानी से करें।
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