यदि \(a_n=2n+1\) है, तो \(a_5\) क्या है?

If \(a_n=2n+1\), what is \(a_5\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

C. (11)

Step 1

Concept

Putting (n=5), (a_5=2(5)+1=11). Multiply first, then add.

Step 2

Why this answer is correct

The correct answer is C. (11). Putting (n=5), (a_5=2(5)+1=11). Multiply first, then add.

Step 3

Exam Tip

(n=5) रखने पर (a_5=2(5)+1=11) है। पहले गुणा फिर जोड़ करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=2n+1\) है, तो \(a_5\) क्या है? / If \(a_n=2n+1\), what is \(a_5\)?

Correct Answer: C. (11). Explanation: (n=5) रखने पर (a_5=2(5)+1=11) है। पहले गुणा फिर जोड़ करें। / Putting (n=5), (a_5=2(5)+1=11). Multiply first, then add.

Which concept should I revise for this Mathematics MCQ?

Putting (n=5), (a_5=2(5)+1=11). Multiply first, then add.

What exam hint can help solve this Mathematics question?

(n=5) रखने पर (a_5=2(5)+1=11) है। पहले गुणा फिर जोड़ करें।