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sqrt65 MCQ Questions for Class 10

sqrt65 se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with sqrt65.

Question 1/1 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 13

कौन-सी संख्या (8) और (9) के बीच स्थित अपरिमेय संख्या है?

Which number is an irrational number between (8) and (9)?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{65}\)

Step 1

Concept

Since (64<65<81), \(8<\sqrt{65}<9\).

Step 2

Why this answer is correct

(65) is not a perfect square, so \(\sqrt{65}\) is irrational.

Step 3

Exam Tip

The square root of a number between two perfect squares lies between their roots. चरण 1: (64<65<81), इसलिए \(8<\sqrt{65}<9\)। चरण 2: (65) पूर्ण वर्ग नहीं है, इसलिए \(\sqrt{65}\) अपरिमेय है। चरण 3: दो पूर्ण वर्गों के बीच की संख्या का वर्गमूल उनके मूलों के बीच होता है।

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