कौन-सा उदाहरण अपरिमेय संख्या का है?

Which is an example of an irrational number?

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

B. \( \sqrt{15} \)

Step 1

Concept

(15) is not a perfect square, so \( \sqrt{15} \) is irrational. Do not treat recurring decimals as irrational.

Step 2

Why this answer is correct

The correct answer is B. \( \sqrt{15} \). (15) is not a perfect square, so \( \sqrt{15} \) is irrational. Do not treat recurring decimals as irrational.

Step 3

Exam Tip

(15) पूर्ण वर्ग नहीं है, इसलिए \( \sqrt{15} \) अपरिमेय है। आवर्ती दशमलव को अपरिमेय न मानें।

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Mathematics Answer, Explanation and Revision Hints

कौन-सा उदाहरण अपरिमेय संख्या का है? / Which is an example of an irrational number?

Correct Answer: B. \( \sqrt{15} \). Explanation: (15) पूर्ण वर्ग नहीं है, इसलिए \( \sqrt{15} \) अपरिमेय है। आवर्ती दशमलव को अपरिमेय न मानें। / (15) is not a perfect square, so \( \sqrt{15} \) is irrational. Do not treat recurring decimals as irrational.

Which concept should I revise for this Mathematics MCQ?

(15) is not a perfect square, so \( \sqrt{15} \) is irrational. Do not treat recurring decimals as irrational.

What exam hint can help solve this Mathematics question?

(15) पूर्ण वर्ग नहीं है, इसलिए \( \sqrt{15} \) अपरिमेय है। आवर्ती दशमलव को अपरिमेय न मानें।