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

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

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (17)

Step 1

Concept

The terms are (10,13,17), so \(a_3=17\). Exam tip: (n+2) changes at each step.

Step 2

Why this answer is correct

The correct answer is C. (17). The terms are (10,13,17), so \(a_3=17\). Exam tip: (n+2) changes at each step.

Step 3

Exam Tip

पद (10,13,17) हैं इसलिए \(a_3=17\) है। (n+2) हर चरण में बदलता है।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: C. (17). Explanation: पद (10,13,17) हैं इसलिए \(a_3=17\) है। (n+2) हर चरण में बदलता है। / The terms are (10,13,17), so \(a_3=17\). Exam tip: (n+2) changes at each step.

Which concept should I revise for this Mathematics MCQ?

The terms are (10,13,17), so \(a_3=17\). Exam tip: (n+2) changes at each step.

What exam hint can help solve this Mathematics question?

पद (10,13,17) हैं इसलिए \(a_3=17\) है। (n+2) हर चरण में बदलता है।