\( \sqrt{245} \) को सरल करने पर क्या मिलेगा?

What is obtained by simplifying \( \sqrt{245} \)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

B. \(7\sqrt{5}\)

Step 1

Concept

Since \(245=49\times5\), \( \sqrt{245}=7\sqrt{5} \). Take the perfect square outside the radical.

Step 2

Why this answer is correct

The correct answer is B. \(7\sqrt{5}\). Since \(245=49\times5\), \( \sqrt{245}=7\sqrt{5} \). Take the perfect square outside the radical.

Step 3

Exam Tip

\(245=49\times5\) इसलिए \( \sqrt{245}=7\sqrt{5} \)। करणी में पूर्ण वर्ग को बाहर निकालें।

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Mathematics Answer, Explanation and Revision Hints

\( \sqrt{245} \) को सरल करने पर क्या मिलेगा? / What is obtained by simplifying \( \sqrt{245} \)?

Correct Answer: B. \(7\sqrt{5}\). Explanation: \(245=49\times5\) इसलिए \( \sqrt{245}=7\sqrt{5} \)। करणी में पूर्ण वर्ग को बाहर निकालें। / Since \(245=49\times5\), \( \sqrt{245}=7\sqrt{5} \). Take the perfect square outside the radical.

Which concept should I revise for this Mathematics MCQ?

Since \(245=49\times5\), \( \sqrt{245}=7\sqrt{5} \). Take the perfect square outside the radical.

What exam hint can help solve this Mathematics question?

\(245=49\times5\) इसलिए \( \sqrt{245}=7\sqrt{5} \)। करणी में पूर्ण वर्ग को बाहर निकालें।