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2 results found for "sqrt20" in Class 10.

Question Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

\(\sqrt{200}\) का सरल रूप कौन-सा है?

Which is the simplified form of \(\sqrt{200}\)?

Explanation opens after your attempt
Correct Answer

A. \(10\sqrt{2}\)

Step 1

Concept

\(200=100 \times 2\).

Step 2

Why this answer is correct

\(\sqrt{200}=\sqrt{100 \times 2}=10\sqrt{2}\).

Step 3

Exam Tip

Recognising a large perfect square like (100) gives the answer quickly. चरण 1: \(200=100 \times 2\) है। चरण 2: \(\sqrt{200}=\sqrt{100 \times 2}=10\sqrt{2}\)। चरण 3: बड़े पूर्ण वर्ग (100) को पहचानने से उत्तर जल्दी मिलता है।

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Question Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 13

\(\sqrt{20}\) का सरल रूप कौन-सा है?

Which is the simplified form of \(\sqrt{20}\)?

Explanation opens after your attempt
Correct Answer

A. \(2\sqrt{5}\)

Step 1

Concept

\(20=4 \times 5\).

Step 2

Why this answer is correct

\(\sqrt{20}=\sqrt{4 \times 5}=2\sqrt{5}\).

Step 3

Exam Tip

Take the perfect square outside the root and leave the remaining factor inside. चरण 1: \(20=4 \times 5\) है। चरण 2: \(\sqrt{20}=\sqrt{4 \times 5}=2\sqrt{5}\)। चरण 3: वर्गमूल के अंदर पूर्ण वर्ग को बाहर निकालें और बाकी अंदर रहने दें।

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