यदि (A) संख्या रेखा पर (1.4) और (1.5) के बीच है और \(A=\sqrt{2}\) है, तो सबसे सही कथन कौन-सा है?

If (A) lies between (1.4) and (1.5) on the number line and \(A=\sqrt{2}\), which statement is most correct?

Explanation opens after your attempt
Correct Answer

A. \(1.4<\sqrt{2}<1.5\)

Step 1

Concept

Because \(1.4^2=1.96\) and \(1.5^2=2.25\), \(\sqrt{2}\) lies between them. For hard questions, use squares of decimals.

Step 2

Why this answer is correct

The correct answer is A. \(1.4<\sqrt{2}<1.5\). Because \(1.4^2=1.96\) and \(1.5^2=2.25\), \(\sqrt{2}\) lies between them. For hard questions, use squares of decimals.

Step 3

Exam Tip

क्योंकि \(1.4^2=1.96\) और \(1.5^2=2.25\), इसलिए \(\sqrt{2}\) इनके बीच है। कठिन प्रश्नों में दशमलव के वर्ग का प्रयोग करें।

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Mathematics Answer, Explanation and Revision Hints

यदि (A) संख्या रेखा पर (1.4) और (1.5) के बीच है और \(A=\sqrt{2}\) है, तो सबसे सही कथन कौन-सा है? / If (A) lies between (1.4) and (1.5) on the number line and \(A=\sqrt{2}\), which statement is most correct?

Correct Answer: A. \(1.4<\sqrt{2}<1.5\). Explanation: क्योंकि \(1.4^2=1.96\) और \(1.5^2=2.25\), इसलिए \(\sqrt{2}\) इनके बीच है। कठिन प्रश्नों में दशमलव के वर्ग का प्रयोग करें। / Because \(1.4^2=1.96\) and \(1.5^2=2.25\), \(\sqrt{2}\) lies between them. For hard questions, use squares of decimals.

Which concept should I revise for this Mathematics MCQ?

Because \(1.4^2=1.96\) and \(1.5^2=2.25\), \(\sqrt{2}\) lies between them. For hard questions, use squares of decimals.

What exam hint can help solve this Mathematics question?

क्योंकि \(1.4^2=1.96\) और \(1.5^2=2.25\), इसलिए \(\sqrt{2}\) इनके बीच है। कठिन प्रश्नों में दशमलव के वर्ग का प्रयोग करें।