कौन सा विकल्प (5) और (6) के बीच अपरिमेय संख्या है?

Which option is an irrational number between (5) and (6)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. \( \sqrt{31} \)

Step 1

Concept

Since \(5^2<31<6^2\), \( \sqrt{31} \) lies between (5) and (6). Since (31) is not a perfect square, it is irrational.

Step 2

Why this answer is correct

The correct answer is B. \( \sqrt{31} \). Since \(5^2<31<6^2\), \( \sqrt{31} \) lies between (5) and (6). Since (31) is not a perfect square, it is irrational.

Step 3

Exam Tip

\(5^2<31<6^2\) इसलिए \( \sqrt{31} \) (5) और (6) के बीच है। (31) पूर्ण वर्ग नहीं है इसलिए यह अपरिमेय है।

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Mathematics Answer, Explanation and Revision Hints

कौन सा विकल्प (5) और (6) के बीच अपरिमेय संख्या है? / Which option is an irrational number between (5) and (6)?

Correct Answer: B. \( \sqrt{31} \). Explanation: \(5^2<31<6^2\) इसलिए \( \sqrt{31} \) (5) और (6) के बीच है। (31) पूर्ण वर्ग नहीं है इसलिए यह अपरिमेय है। / Since \(5^2<31<6^2\), \( \sqrt{31} \) lies between (5) and (6). Since (31) is not a perfect square, it is irrational.

Which concept should I revise for this Mathematics MCQ?

Since \(5^2<31<6^2\), \( \sqrt{31} \) lies between (5) and (6). Since (31) is not a perfect square, it is irrational.

What exam hint can help solve this Mathematics question?

\(5^2<31<6^2\) इसलिए \( \sqrt{31} \) (5) और (6) के बीच है। (31) पूर्ण वर्ग नहीं है इसलिए यह अपरिमेय है।