यदि \(a_1=2\), \(a_2=3\) और \(a_n=a_{n-1}+n\) है तो \(a_5\) क्या होगा?

If \(a_1=2\), \(a_2=3\), and \(a_n=a_{n-1}+n\), what is \(a_5\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (14)

Step 1

Concept

\(a_3=6\), \(a_4=10\), and \(a_5=15\). The correct option should include (15).

Step 2

Why this answer is correct

The correct answer is B. (14). \(a_3=6\), \(a_4=10\), and \(a_5=15\). The correct option should include (15).

Step 3

Exam Tip

\(a_3=6\), \(a_4=10\) और \(a_5=15\) नहीं बल्कि \(a_5=15\) है। विकल्पों में (15) होना चाहिए।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=2\), \(a_2=3\) और \(a_n=a_{n-1}+n\) है तो \(a_5\) क्या होगा? / If \(a_1=2\), \(a_2=3\), and \(a_n=a_{n-1}+n\), what is \(a_5\)?

Correct Answer: B. (14). Explanation: \(a_3=6\), \(a_4=10\) और \(a_5=15\) नहीं बल्कि \(a_5=15\) है। विकल्पों में (15) होना चाहिए। / \(a_3=6\), \(a_4=10\), and \(a_5=15\). The correct option should include (15).

Which concept should I revise for this Mathematics MCQ?

\(a_3=6\), \(a_4=10\), and \(a_5=15\). The correct option should include (15).

What exam hint can help solve this Mathematics question?

\(a_3=6\), \(a_4=10\) और \(a_5=15\) नहीं बल्कि \(a_5=15\) है। विकल्पों में (15) होना चाहिए।