यदि समांतर श्रेणी में \(a_6=29\) और \(a_{11}=64\) है, तो \(a_{15}\) क्या होगा?

If an arithmetic progression has \(a_6=29\) and \(a_{11}=64\), what is \(a_{15}\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (92)

Step 1

Concept

The increase over five gaps is (35), so (d=7) and (a_{15}=64+4(7)=92). First find (d), then move forward.

Step 2

Why this answer is correct

The correct answer is B. (92). The increase over five gaps is (35), so (d=7) and (a_{15}=64+4(7)=92). First find (d), then move forward.

Step 3

Exam Tip

पाँच अंतरों में वृद्धि (35) है, इसलिए (d=7) और (a_{15}=64+4(7)=92)। पहले (d) निकालें फिर आगे बढ़ें।

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यदि समांतर श्रेणी में \(a_6=29\) और \(a_{11}=64\) है, तो \(a_{15}\) क्या होगा? / If an arithmetic progression has \(a_6=29\) and \(a_{11}=64\), what is \(a_{15}\)?

Correct Answer: B. (92). Explanation: पाँच अंतरों में वृद्धि (35) है, इसलिए (d=7) और (a_{15}=64+4(7)=92)। पहले (d) निकालें फिर आगे बढ़ें। / The increase over five gaps is (35), so (d=7) and (a_{15}=64+4(7)=92). First find (d), then move forward.

Which concept should I revise for this Mathematics MCQ?

The increase over five gaps is (35), so (d=7) and (a_{15}=64+4(7)=92). First find (d), then move forward.

What exam hint can help solve this Mathematics question?

पाँच अंतरों में वृद्धि (35) है, इसलिए (d=7) और (a_{15}=64+4(7)=92)। पहले (d) निकालें फिर आगे बढ़ें।