Hard Mathematics Chapter 1: Real Numbers Class 10 Level 18

कौन-सा विकल्प पूर्ण वर्ग न होने के कारण अपरिमेय वर्गमूल का सही उदाहरण है?

Which option is a correct example of an irrational square root because it is not a perfect square?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{5}\)

Step 1

Concept

(4,9,25) are perfect squares, so their square roots are integers.

Step 2

Why this answer is correct

(5) is not a perfect square, and \(\sqrt{5}\) is irrational.

Step 3

Exam Tip

In options, identify perfect squares first. चरण 1: (4,9,25) पूर्ण वर्ग हैं, इसलिए उनके वर्गमूल पूर्णांक हैं। चरण 2: (5) पूर्ण वर्ग नहीं है और \(\sqrt{5}\) अपरिमेय है। चरण 3: विकल्पों में पहले पूर्ण वर्ग पहचानें।

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What is the correct answer to this Mathematics MCQ?

The correct answer is A. \(\sqrt{5}\).

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