Concept-wise Practice

radical-subtraction MCQ Questions for Class 10

radical-subtraction se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

8 questions tagged with radical-subtraction.

\(\sqrt{507}-\sqrt{192}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{507}-\sqrt{192}\)?

Explanation opens after your attempt
Correct Answer

A. \(5\sqrt{3}\)

Step 1

Concept

\(\sqrt{507}=13\sqrt{3}\) and \(\sqrt{192}=8\sqrt{3}\).

Step 2

Why this answer is correct

\(13\sqrt{3}-8\sqrt{3}=5\sqrt{3}\).

Step 3

Exam Tip

Simplify radicals completely before subtracting. चरण 1: \(\sqrt{507}=13\sqrt{3}\) और \(\sqrt{192}=8\sqrt{3}\)। चरण 2: \(13\sqrt{3}-8\sqrt{3}=5\sqrt{3}\)। चरण 3: घटाने से पहले वर्गमूलों को पूरी तरह सरल करें।

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\(\sqrt{147}-\sqrt{75}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{147}-\sqrt{75}\)?

Explanation opens after your attempt
Correct Answer

A. \(2\sqrt{3}\)

Step 1

Concept

\(\sqrt{147}=7\sqrt{3}\) and \(\sqrt{75}=5\sqrt{3}\).

Step 2

Why this answer is correct

\(7\sqrt{3}-5\sqrt{3}=2\sqrt{3}\).

Step 3

Exam Tip

Before subtracting radicals, convert them into like radicals. चरण 1: \(\sqrt{147}=7\sqrt{3}\) और \(\sqrt{75}=5\sqrt{3}\)। चरण 2: \(7\sqrt{3}-5\sqrt{3}=2\sqrt{3}\)। चरण 3: वर्गमूलों को घटाने से पहले समान वर्गमूल में बदलना जरूरी है।

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\(\sqrt{363}-\sqrt{75}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{363}-\sqrt{75}\)?

Explanation opens after your attempt
Correct Answer

A. \(6\sqrt{3}\)

Step 1

Concept

\(\sqrt{363}=11\sqrt{3}\) and \(\sqrt{75}=5\sqrt{3}\).

Step 2

Why this answer is correct

\(11\sqrt{3}-5\sqrt{3}=6\sqrt{3}\).

Step 3

Exam Tip

Simplify radicals completely before subtracting. चरण 1: \(\sqrt{363}=11\sqrt{3}\) और \(\sqrt{75}=5\sqrt{3}\)। चरण 2: \(11\sqrt{3}-5\sqrt{3}=6\sqrt{3}\)। चरण 3: घटाने से पहले वर्गमूलों को पूरी तरह सरल करें।

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\(\sqrt{98}-\sqrt{32}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{98}-\sqrt{32}\)?

Explanation opens after your attempt
Correct Answer

A. \(3\sqrt{2}\)

Step 1

Concept

\(\sqrt{98}=7\sqrt{2}\) and \(\sqrt{32}=4\sqrt{2}\).

Step 2

Why this answer is correct

\(7\sqrt{2}-4\sqrt{2}=3\sqrt{2}\).

Step 3

Exam Tip

Convert radicals into like radicals before subtracting. चरण 1: \(\sqrt{98}=7\sqrt{2}\) और \(\sqrt{32}=4\sqrt{2}\)। चरण 2: \(7\sqrt{2}-4\sqrt{2}=3\sqrt{2}\)। चरण 3: वर्गमूलों को घटाने से पहले समान वर्गमूल में बदलें।

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\(\sqrt{200}-\sqrt{72}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{200}-\sqrt{72}\)?

Explanation opens after your attempt
Correct Answer

A. \(4\sqrt{2}\)

Step 1

Concept

\(\sqrt{200}=10\sqrt{2}\) and \(\sqrt{72}=6\sqrt{2}\).

Step 2

Why this answer is correct

\(10\sqrt{2}-6\sqrt{2}=4\sqrt{2}\).

Step 3

Exam Tip

Before subtracting radicals, write both terms in simplified form. चरण 1: \(\sqrt{200}=10\sqrt{2}\) और \(\sqrt{72}=6\sqrt{2}\)। चरण 2: \(10\sqrt{2}-6\sqrt{2}=4\sqrt{2}\)। चरण 3: वर्गमूल घटाने में पहले दोनों पदों को सरल रूप में लिखें।

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\(\sqrt{72}-\sqrt{18}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{72}-\sqrt{18}\)?

Explanation opens after your attempt
Correct Answer

A. \(3\sqrt{2}\)

Step 1

Concept

\(\sqrt{72}=6\sqrt{2}\) and \(\sqrt{18}=3\sqrt{2}\).

Step 2

Why this answer is correct

\(6\sqrt{2}-3\sqrt{2}=3\sqrt{2}\).

Step 3

Exam Tip

Simplify both square roots before subtracting. चरण 1: \(\sqrt{72}=6\sqrt{2}\) और \(\sqrt{18}=3\sqrt{2}\)। चरण 2: \(6\sqrt{2}-3\sqrt{2}=3\sqrt{2}\)। चरण 3: घटाने से पहले दोनों वर्गमूलों को सरल करना जरूरी है।

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\(\sqrt{80}-\sqrt{45}\) का सरल रूप क्या होगा?

What will be the simplified form of \(\sqrt{80}-\sqrt{45}\)?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{5}\)

Step 1

Concept

\(\sqrt{80}=4\sqrt{5}\) and \(\sqrt{45}=3\sqrt{5}\).

Step 2

Why this answer is correct

\(4\sqrt{5}-3\sqrt{5}=\sqrt{5}\).

Step 3

Exam Tip

Before subtracting, simplify both radicals completely. चरण 1: \(\sqrt{80}=4\sqrt{5}\) और \(\sqrt{45}=3\sqrt{5}\)। चरण 2: \(4\sqrt{5}-3\sqrt{5}=\sqrt{5}\)। चरण 3: घटाने से पहले दोनों वर्गमूलों को पूरी तरह सरल करें।

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\(\sqrt{45}-\sqrt{20}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{45}-\sqrt{20}\)?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{5}\)

Step 1

Concept

\(\sqrt{45}=3\sqrt{5}\) and \(\sqrt{20}=2\sqrt{5}\).

Step 2

Why this answer is correct

\(3\sqrt{5}-2\sqrt{5}=\sqrt{5}\).

Step 3

Exam Tip

Simplify both radicals before subtracting. चरण 1: \(\sqrt{45}=3\sqrt{5}\) और \(\sqrt{20}=2\sqrt{5}\)। चरण 2: \(3\sqrt{5}-2\sqrt{5}=\sqrt{5}\)। चरण 3: घटाने से पहले दोनों वर्गमूलों को सरल करें।

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