कौन सी संख्या अपरिमेय है?

Which number is irrational?

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

D. \(\sqrt{7}\)

Step 1

Concept

\(\sqrt{7}\) is not the square root of a perfect square. Hence it is irrational.

Step 2

Why this answer is correct

The correct answer is D. \(\sqrt{7}\). \(\sqrt{7}\) is not the square root of a perfect square. Hence it is irrational.

Step 3

Exam Tip

\(\sqrt{7}\) पूर्ण वर्ग का वर्गमूल नहीं है। इसलिए यह अपरिमेय है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

कौन सी संख्या अपरिमेय है? / Which number is irrational?

Correct Answer: D. \(\sqrt{7}\). Explanation: \(\sqrt{7}\) पूर्ण वर्ग का वर्गमूल नहीं है। इसलिए यह अपरिमेय है। / \(\sqrt{7}\) is not the square root of a perfect square. Hence it is irrational.

Which concept should I revise for this Mathematics MCQ?

\(\sqrt{7}\) is not the square root of a perfect square. Hence it is irrational.

What exam hint can help solve this Mathematics question?

\(\sqrt{7}\) पूर्ण वर्ग का वर्गमूल नहीं है। इसलिए यह अपरिमेय है।