सबसे छोटा (n) क्या है जिसके लिए (n!) संख्या (343) से विभाज्य हो?

What is the least (n) for which (n!) is divisible by (343)?

Explanation opens after your attempt
Correct Answer

A. (21)

Step 1

Concept

\(343=7^3\) and (21!) gets three factors of (7) from (7,14,21). Therefore the least (n=21).

Step 2

Why this answer is correct

The correct answer is A. (21). \(343=7^3\) and (21!) gets three factors of (7) from (7,14,21). Therefore the least (n=21).

Step 3

Exam Tip

\(343=7^3\) है और (21!) में (7,14,21) से तीन (7) मिलते हैं। इसलिए न्यूनतम (n=21) है।

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Mathematics Answer, Explanation and Revision Hints

सबसे छोटा (n) क्या है जिसके लिए (n!) संख्या (343) से विभाज्य हो? / What is the least (n) for which (n!) is divisible by (343)?

Correct Answer: A. (21). Explanation: \(343=7^3\) है और (21!) में (7,14,21) से तीन (7) मिलते हैं। इसलिए न्यूनतम (n=21) है। / \(343=7^3\) and (21!) gets three factors of (7) from (7,14,21). Therefore the least (n=21).

Which concept should I revise for this Mathematics MCQ?

\(343=7^3\) and (21!) gets three factors of (7) from (7,14,21). Therefore the least (n=21).

What exam hint can help solve this Mathematics question?

\(343=7^3\) है और (21!) में (7,14,21) से तीन (7) मिलते हैं। इसलिए न्यूनतम (n=21) है।