क्रम \(15,21,27,33,\ldots\) में \(a_9\) और \(a_4\) का अंतर क्या है?

What is the difference between \(a_9\) and \(a_4\) in \(15,21,27,33,\ldots\)?

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

B. (30)

Step 1

Concept

The common difference is (6), and the gap in positions is (5). So the difference is \(5\times6=30\).

Step 2

Why this answer is correct

The correct answer is B. (30). The common difference is (6), and the gap in positions is (5). So the difference is \(5\times6=30\).

Step 3

Exam Tip

समान अंतर (6) है और स्थानों का अंतर (5) है। इसलिए अंतर \(5\times6=30\) है।

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Mathematics Answer, Explanation and Revision Hints

क्रम \(15,21,27,33,\ldots\) में \(a_9\) और \(a_4\) का अंतर क्या है? / What is the difference between \(a_9\) and \(a_4\) in \(15,21,27,33,\ldots\)?

Correct Answer: B. (30). Explanation: समान अंतर (6) है और स्थानों का अंतर (5) है। इसलिए अंतर \(5\times6=30\) है। / The common difference is (6), and the gap in positions is (5). So the difference is \(5\times6=30\).

Which concept should I revise for this Mathematics MCQ?

The common difference is (6), and the gap in positions is (5). So the difference is \(5\times6=30\).

What exam hint can help solve this Mathematics question?

समान अंतर (6) है और स्थानों का अंतर (5) है। इसलिए अंतर \(5\times6=30\) है।