यदि \(\sqrt{7}\) अपरिमेय है तो \(3\sqrt{7}\) क्या होगा?

If \(\sqrt{7}\) is irrational then \(3\sqrt{7}\) is?

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

B. अपरिमेय

Step 1

Concept

Multiplying by a non-zero rational keeps it irrational. Remember the rule.

Step 2

Why this answer is correct

The correct answer is B. अपरिमेय. Multiplying by a non-zero rational keeps it irrational. Remember the rule.

Step 3

Exam Tip

शून्येतर परिमेय से गुणा करने पर अपरिमेयता बनी रहती है। नियम याद रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(\sqrt{7}\) अपरिमेय है तो \(3\sqrt{7}\) क्या होगा? / If \(\sqrt{7}\) is irrational then \(3\sqrt{7}\) is?

Correct Answer: B. अपरिमेय. Explanation: शून्येतर परिमेय से गुणा करने पर अपरिमेयता बनी रहती है। नियम याद रखें। / Multiplying by a non-zero rational keeps it irrational. Remember the rule.

Which concept should I revise for this Mathematics MCQ?

Multiplying by a non-zero rational keeps it irrational. Remember the rule.

What exam hint can help solve this Mathematics question?

शून्येतर परिमेय से गुणा करने पर अपरिमेयता बनी रहती है। नियम याद रखें।