यदि \(a_n=7n+4\) है, तो \(a_8-a_5\) कितना होगा?

If \(a_n=7n+4\), what is \(a_8-a_5\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (21)

Step 1

Concept

\(a_8=60\) and \(a_5=39\), so the difference is (21). Find the terms separately and subtract.

Step 2

Why this answer is correct

The correct answer is B. (21). \(a_8=60\) and \(a_5=39\), so the difference is (21). Find the terms separately and subtract.

Step 3

Exam Tip

\(a_8=60\) और \(a_5=39\), इसलिए अंतर (21) है। पदों को अलग निकालकर घटाएं।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=7n+4\) है, तो \(a_8-a_5\) कितना होगा? / If \(a_n=7n+4\), what is \(a_8-a_5\)?

Correct Answer: B. (21). Explanation: \(a_8=60\) और \(a_5=39\), इसलिए अंतर (21) है। पदों को अलग निकालकर घटाएं। / \(a_8=60\) and \(a_5=39\), so the difference is (21). Find the terms separately and subtract.

Which concept should I revise for this Mathematics MCQ?

\(a_8=60\) and \(a_5=39\), so the difference is (21). Find the terms separately and subtract.

What exam hint can help solve this Mathematics question?

\(a_8=60\) और \(a_5=39\), इसलिए अंतर (21) है। पदों को अलग निकालकर घटाएं।