वर्गमूल सर्पिल में \(\sqrt{72}\) और \(\sqrt{81}\) के बारे में कौन-सा कथन सही है?

Which statement about \(\sqrt{72}\) and \(\sqrt{81}\) in a square root spiral is correct?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. \(\sqrt{72}\) (8) और (9) के बीच है और \(\sqrt{81}=9\) है\(\sqrt{72}\) lies between (8) and (9), and \(\sqrt{81}=9\)

Step 1

Concept

\(8^2<72<9^2\), and \(81=9^2\). Therefore \(\sqrt{81}\) equals (9).

Step 2

Why this answer is correct

The correct answer is B. \(\sqrt{72}\) (8) और (9) के बीच है और \(\sqrt{81}=9\) है / \(\sqrt{72}\) lies between (8) and (9), and \(\sqrt{81}=9\). \(8^2<72<9^2\), and \(81=9^2\). Therefore \(\sqrt{81}\) equals (9).

Step 3

Exam Tip

\(8^2<72<9^2\) और \(81=9^2\) है। इसलिए \(\sqrt{81}\) का मान (9) है।

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वर्गमूल सर्पिल में \(\sqrt{72}\) और \(\sqrt{81}\) के बारे में कौन-सा कथन सही है? / Which statement about \(\sqrt{72}\) and \(\sqrt{81}\) in a square root spiral is correct?

Correct Answer: B. \(\sqrt{72}\) (8) और (9) के बीच है और \(\sqrt{81}=9\) है / \(\sqrt{72}\) lies between (8) and (9), and \(\sqrt{81}=9\). Explanation: \(8^2<72<9^2\) और \(81=9^2\) है। इसलिए \(\sqrt{81}\) का मान (9) है। / \(8^2<72<9^2\), and \(81=9^2\). Therefore \(\sqrt{81}\) equals (9).

Which concept should I revise for this Mathematics MCQ?

\(8^2<72<9^2\), and \(81=9^2\). Therefore \(\sqrt{81}\) equals (9).

What exam hint can help solve this Mathematics question?

\(8^2<72<9^2\) और \(81=9^2\) है। इसलिए \(\sqrt{81}\) का मान (9) है।