वर्गमूल सर्पिल में \(\sqrt{440}\) को संख्या रेखा पर रखने से पहले कौन-सा अंतराल सही है?

Before placing \(\sqrt{440}\) on the number line using a square root spiral, which interval is correct?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. \(20<\sqrt{440}<21\)

Step 1

Concept

Because \(20^2<440<21^2\). Therefore \(\sqrt{440}\) lies between (20) and (21).

Step 2

Why this answer is correct

The correct answer is B. \(20<\sqrt{440}<21\). Because \(20^2<440<21^2\). Therefore \(\sqrt{440}\) lies between (20) and (21).

Step 3

Exam Tip

क्योंकि \(20^2<440<21^2\) है। इसलिए \(\sqrt{440}\) (20) और (21) के बीच होगा।

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वर्गमूल सर्पिल में \(\sqrt{440}\) को संख्या रेखा पर रखने से पहले कौन-सा अंतराल सही है? / Before placing \(\sqrt{440}\) on the number line using a square root spiral, which interval is correct?

Correct Answer: B. \(20<\sqrt{440}<21\). Explanation: क्योंकि \(20^2<440<21^2\) है। इसलिए \(\sqrt{440}\) (20) और (21) के बीच होगा। / Because \(20^2<440<21^2\). Therefore \(\sqrt{440}\) lies between (20) and (21).

Which concept should I revise for this Mathematics MCQ?

Because \(20^2<440<21^2\). Therefore \(\sqrt{440}\) lies between (20) and (21).

What exam hint can help solve this Mathematics question?

क्योंकि \(20^2<440<21^2\) है। इसलिए \(\sqrt{440}\) (20) और (21) के बीच होगा।