यदि \(a_1=4\) और \(a_{n+1}=a_n+3n\) है तो \(a_4\) क्या होगा?

If \(a_1=4\) and \(a_{n+1}=a_n+3n\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (22)

Step 1

Concept

The terms are (4,7,13,22), so \(a_4=22\). Exam tip: add the new value of (3n) at each step.

Step 2

Why this answer is correct

The correct answer is C. (22). The terms are (4,7,13,22), so \(a_4=22\). Exam tip: add the new value of (3n) at each step.

Step 3

Exam Tip

पद (4,7,13,22) हैं इसलिए \(a_4=22\) है। हर चरण में (3n) का नया मान जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=4\) और \(a_{n+1}=a_n+3n\) है तो \(a_4\) क्या होगा? / If \(a_1=4\) and \(a_{n+1}=a_n+3n\), what is \(a_4\)?

Correct Answer: C. (22). Explanation: पद (4,7,13,22) हैं इसलिए \(a_4=22\) है। हर चरण में (3n) का नया मान जोड़ें। / The terms are (4,7,13,22), so \(a_4=22\). Exam tip: add the new value of (3n) at each step.

Which concept should I revise for this Mathematics MCQ?

The terms are (4,7,13,22), so \(a_4=22\). Exam tip: add the new value of (3n) at each step.

What exam hint can help solve this Mathematics question?

पद (4,7,13,22) हैं इसलिए \(a_4=22\) है। हर चरण में (3n) का नया मान जोड़ें।