यदि \(a_1=20\) और \(a_{n+1}=a_n+1\) है तो \(a_4\) क्या होगा?

If \(a_1=20\) and \(a_{n+1}=a_n+1\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (23)

Step 1

Concept

The terms are (20,21,22,23), so \(a_4=23\). Exam tip: count positions carefully even in small additions.

Step 2

Why this answer is correct

The correct answer is C. (23). The terms are (20,21,22,23), so \(a_4=23\). Exam tip: count positions carefully even in small additions.

Step 3

Exam Tip

पद (20,21,22,23) हैं इसलिए \(a_4=23\) है। छोटे जोड़ में भी क्रमांक सावधानी से गिनें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=20\) और \(a_{n+1}=a_n+1\) है तो \(a_4\) क्या होगा? / If \(a_1=20\) and \(a_{n+1}=a_n+1\), what is \(a_4\)?

Correct Answer: C. (23). Explanation: पद (20,21,22,23) हैं इसलिए \(a_4=23\) है। छोटे जोड़ में भी क्रमांक सावधानी से गिनें। / The terms are (20,21,22,23), so \(a_4=23\). Exam tip: count positions carefully even in small additions.

Which concept should I revise for this Mathematics MCQ?

The terms are (20,21,22,23), so \(a_4=23\). Exam tip: count positions carefully even in small additions.

What exam hint can help solve this Mathematics question?

पद (20,21,22,23) हैं इसलिए \(a_4=23\) है। छोटे जोड़ में भी क्रमांक सावधानी से गिनें।