एक अनुक्रम में \(a_1=2\) है और क्रमागत अंतर \(3,7,11,15,\ldots\) हैं। \(a_5\) क्या होगा?

In a sequence, \(a_1=2\) and the successive differences are \(3,7,11,15,\ldots\). What will be \(a_5\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (38)

Step 1

Concept

\(a_5=2+3+7+11+15=38\). Exam tip: include the first term when adding differences.

Step 2

Why this answer is correct

The correct answer is A. (38). \(a_5=2+3+7+11+15=38\). Exam tip: include the first term when adding differences.

Step 3

Exam Tip

\(a_5=2+3+7+11+15=38\) है। अंतर जोड़ते समय पहला पद भी शामिल रखें।

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Mathematics Answer, Explanation and Revision Hints

एक अनुक्रम में \(a_1=2\) है और क्रमागत अंतर \(3,7,11,15,\ldots\) हैं। \(a_5\) क्या होगा? / In a sequence, \(a_1=2\) and the successive differences are \(3,7,11,15,\ldots\). What will be \(a_5\)?

Correct Answer: A. (38). Explanation: \(a_5=2+3+7+11+15=38\) है। अंतर जोड़ते समय पहला पद भी शामिल रखें। / \(a_5=2+3+7+11+15=38\). Exam tip: include the first term when adding differences.

Which concept should I revise for this Mathematics MCQ?

\(a_5=2+3+7+11+15=38\). Exam tip: include the first term when adding differences.

What exam hint can help solve this Mathematics question?

\(a_5=2+3+7+11+15=38\) है। अंतर जोड़ते समय पहला पद भी शामिल रखें।