यदि \(a_1=10\) और \(a_{n+1}=\frac{a_n}{2}+n\) है तो \(a_3\) क्या होगा?

If \(a_1=10\) and \(a_{n+1}=\frac{a_n}{2}+n\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (5)

Step 1

Concept

The terms are (10,6,5), so \(a_3=5\). Exam tip: halve the previous term first and then add (n).

Step 2

Why this answer is correct

The correct answer is B. (5). The terms are (10,6,5), so \(a_3=5\). Exam tip: halve the previous term first and then add (n).

Step 3

Exam Tip

पद (10,6,5) हैं इसलिए \(a_3=5\) है। पहले पिछले पद का आधा करें फिर (n) जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=10\) और \(a_{n+1}=\frac{a_n}{2}+n\) है तो \(a_3\) क्या होगा? / If \(a_1=10\) and \(a_{n+1}=\frac{a_n}{2}+n\), what is \(a_3\)?

Correct Answer: B. (5). Explanation: पद (10,6,5) हैं इसलिए \(a_3=5\) है। पहले पिछले पद का आधा करें फिर (n) जोड़ें। / The terms are (10,6,5), so \(a_3=5\). Exam tip: halve the previous term first and then add (n).

Which concept should I revise for this Mathematics MCQ?

The terms are (10,6,5), so \(a_3=5\). Exam tip: halve the previous term first and then add (n).

What exam hint can help solve this Mathematics question?

पद (10,6,5) हैं इसलिए \(a_3=5\) है। पहले पिछले पद का आधा करें फिर (n) जोड़ें।