यदि (a) संख्या रेखा पर \( \sqrt{50} \) है, तो (a-7) किसके सबसे निकट है?

If (a) is \( \sqrt{50} \) on the number line, then (a-7) is closest to which value?

Explanation opens after your attempt
Correct Answer

A. (0.07)

Step 1

Concept

\( \sqrt{50}\approx7.071\), so \(a-7\approx0.071\). First estimate the root, then subtract.

Step 2

Why this answer is correct

The correct answer is A. (0.07). \( \sqrt{50}\approx7.071\), so \(a-7\approx0.071\). First estimate the root, then subtract.

Step 3

Exam Tip

\( \sqrt{50}\approx7.071\), इसलिए \(a-7\approx0.071\)। पहले मूल का अनुमान लगाएँ, फिर घटाएँ।

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Mathematics Answer, Explanation and Revision Hints

यदि (a) संख्या रेखा पर \( \sqrt{50} \) है, तो (a-7) किसके सबसे निकट है? / If (a) is \( \sqrt{50} \) on the number line, then (a-7) is closest to which value?

Correct Answer: A. (0.07). Explanation: \( \sqrt{50}\approx7.071\), इसलिए \(a-7\approx0.071\)। पहले मूल का अनुमान लगाएँ, फिर घटाएँ। / \( \sqrt{50}\approx7.071\), so \(a-7\approx0.071\). First estimate the root, then subtract.

Which concept should I revise for this Mathematics MCQ?

\( \sqrt{50}\approx7.071\), so \(a-7\approx0.071\). First estimate the root, then subtract.

What exam hint can help solve this Mathematics question?

\( \sqrt{50}\approx7.071\), इसलिए \(a-7\approx0.071\)। पहले मूल का अनुमान लगाएँ, फिर घटाएँ।