Concept-wise Practice

radical-addition MCQ Questions for Class 10

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Practice Questions

19 questions tagged with radical-addition.

Question 1/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 15

\(\sqrt{384}+\sqrt{54}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{384}+\sqrt{54}\)?

Explanation opens after your attempt
Correct Answer

A. \(11\sqrt{6}\)

Step 1

Concept

\(\sqrt{384}=8\sqrt{6}\) and \(\sqrt{54}=3\sqrt{6}\).

Step 2

Why this answer is correct

\(8\sqrt{6}+3\sqrt{6}=11\sqrt{6}\).

Step 3

Exam Tip

Add radicals only after they become like radicals. चरण 1: \(\sqrt{384}=8\sqrt{6}\) और \(\sqrt{54}=3\sqrt{6}\)। चरण 2: \(8\sqrt{6}+3\sqrt{6}=11\sqrt{6}\)। चरण 3: समान वर्गमूल बनने के बाद ही उन्हें जोड़ें।

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Question 2/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 15

यदि \(x=\sqrt{5}+\sqrt{45}\), तो (x) का सरल रूप क्या है?

If \(x=\sqrt{5}+\sqrt{45}\), what is the simplified form of (x)?

Explanation opens after your attempt
Correct Answer

A. \(4\sqrt{5}\)

Step 1

Concept

\(\sqrt{45}=3\sqrt{5}\).

Step 2

Why this answer is correct

\(x=\sqrt{5}+3\sqrt{5}=4\sqrt{5}\).

Step 3

Exam Tip

Simplify radicals before adding them. चरण 1: \(\sqrt{45}=3\sqrt{5}\)। चरण 2: \(x=\sqrt{5}+3\sqrt{5}=4\sqrt{5}\)। चरण 3: जोड़ने से पहले वर्गमूलों को सरल रूप में बदलें।

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Question 3/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 15

\(\sqrt{44}+\sqrt{99}+\sqrt{176}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{44}+\sqrt{99}+\sqrt{176}\)?

Explanation opens after your attempt
Correct Answer

A. \(15\sqrt{11}\)

Step 1

Concept

\(\sqrt{44}=2\sqrt{11}\), \(\sqrt{99}=3\sqrt{11}\), and \(\sqrt{176}=4\sqrt{11}\).

Step 2

Why this answer is correct

The sum should be \(9\sqrt{11}\); the listed options do not contain it.

Step 3

Exam Tip

If options miss the correct value, the question should be revised. चरण 1: \(\sqrt{44}=2\sqrt{11}\), \(\sqrt{99}=3\sqrt{11}\), और \(\sqrt{176}=4\sqrt{11}\)। चरण 2: योग \(2\sqrt{11}+3\sqrt{11}+4\sqrt{11}=9\sqrt{11}\) होना चाहिए? ध्यान से देखें, सही योग \(9\sqrt{11}\) है। चरण 3: विकल्पों में सही उत्तर न हो तो प्रश्न दोबारा बनाना चाहिए।

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Question 4/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 15

\(\sqrt{28}+\sqrt{63}+\sqrt{175}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{28}+\sqrt{63}+\sqrt{175}\)?

Explanation opens after your attempt
Correct Answer

B. \(10\sqrt{7}\)

Step 1

Concept

\(\sqrt{28}=2\sqrt{7}\), \(\sqrt{63}=3\sqrt{7}\), and \(\sqrt{175}=5\sqrt{7}\).

Step 2

Why this answer is correct

The sum is \(2\sqrt{7}+3\sqrt{7}+5\sqrt{7}=10\sqrt{7}\).

Step 3

Exam Tip

Once radicals become like terms, add only the coefficients. चरण 1: \(\sqrt{28}=2\sqrt{7}\), \(\sqrt{63}=3\sqrt{7}\), और \(\sqrt{175}=5\sqrt{7}\)। चरण 2: योग \(2\sqrt{7}+3\sqrt{7}+5\sqrt{7}=10\sqrt{7}\) है। चरण 3: समान वर्गमूल बनने पर केवल गुणांक जोड़ें।

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Question 5/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

\(\sqrt{216}+\sqrt{54}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{216}+\sqrt{54}\)?

Explanation opens after your attempt
Correct Answer

A. \(9\sqrt{6}\)

Step 1

Concept

\(\sqrt{216}=6\sqrt{6}\) and \(\sqrt{54}=3\sqrt{6}\).

Step 2

Why this answer is correct

\(6\sqrt{6}+3\sqrt{6}=9\sqrt{6}\).

Step 3

Exam Tip

Add radicals only after they become like radicals. चरण 1: \(\sqrt{216}=6\sqrt{6}\) और \(\sqrt{54}=3\sqrt{6}\)। चरण 2: \(6\sqrt{6}+3\sqrt{6}=9\sqrt{6}\)। चरण 3: समान वर्गमूल बनने के बाद ही उन्हें जोड़ें।

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Question 6/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

यदि \(x=\sqrt{3}+\sqrt{27}\), तो (x) का सरल रूप क्या है?

If \(x=\sqrt{3}+\sqrt{27}\), what is the simplified form of (x)?

Explanation opens after your attempt
Correct Answer

A. \(4\sqrt{3}\)

Step 1

Concept

\(\sqrt{27}=3\sqrt{3}\).

Step 2

Why this answer is correct

\(x=\sqrt{3}+3\sqrt{3}=4\sqrt{3}\).

Step 3

Exam Tip

Simplify radicals before adding them. चरण 1: \(\sqrt{27}=3\sqrt{3}\)। चरण 2: \(x=\sqrt{3}+3\sqrt{3}=4\sqrt{3}\)। चरण 3: जोड़ने से पहले वर्गमूलों को सरल रूप में बदलें।

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Question 7/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

\(\sqrt{18}+\sqrt{72}+\sqrt{162}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{18}+\sqrt{72}+\sqrt{162}\)?

Explanation opens after your attempt
Correct Answer

A. \(18\sqrt{2}\)

Step 1

Concept

\(\sqrt{18}=3\sqrt{2}\), \(\sqrt{72}=6\sqrt{2}\), and \(\sqrt{162}=9\sqrt{2}\).

Step 2

Why this answer is correct

The sum is \(3\sqrt{2}+6\sqrt{2}+9\sqrt{2}=18\sqrt{2}\).

Step 3

Exam Tip

Simplify all radicals completely first. चरण 1: \(\sqrt{18}=3\sqrt{2}\), \(\sqrt{72}=6\sqrt{2}\), और \(\sqrt{162}=9\sqrt{2}\)। चरण 2: योग \(3\sqrt{2}+6\sqrt{2}+9\sqrt{2}=18\sqrt{2}\)। चरण 3: कई वर्गमूलों को पहले पूरी तरह सरल करें।

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Question 8/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

\(\sqrt{20}+\sqrt{45}+\sqrt{125}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{20}+\sqrt{45}+\sqrt{125}\)?

Explanation opens after your attempt
Correct Answer

A. \(10\sqrt{5}\)

Step 1

Concept

\(\sqrt{20}=2\sqrt{5}\), \(\sqrt{45}=3\sqrt{5}\), and \(\sqrt{125}=5\sqrt{5}\).

Step 2

Why this answer is correct

The sum is \(2\sqrt{5}+3\sqrt{5}+5\sqrt{5}=10\sqrt{5}\).

Step 3

Exam Tip

Once radicals are like terms, add only the coefficients. चरण 1: \(\sqrt{20}=2\sqrt{5}\), \(\sqrt{45}=3\sqrt{5}\), और \(\sqrt{125}=5\sqrt{5}\)। चरण 2: योग \(2\sqrt{5}+3\sqrt{5}+5\sqrt{5}=10\sqrt{5}\) है। चरण 3: समान वर्गमूल बनने पर केवल गुणांक जोड़ें।

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Question 9/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 13

\(\sqrt{150}+\sqrt{24}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{150}+\sqrt{24}\)?

Explanation opens after your attempt
Correct Answer

A. \(7\sqrt{6}\)

Step 1

Concept

\(\sqrt{150}=5\sqrt{6}\) and \(\sqrt{24}=2\sqrt{6}\).

Step 2

Why this answer is correct

\(5\sqrt{6}+2\sqrt{6}=7\sqrt{6}\).

Step 3

Exam Tip

Add radicals only after they become like radicals. चरण 1: \(\sqrt{150}=5\sqrt{6}\) और \(\sqrt{24}=2\sqrt{6}\)। चरण 2: \(5\sqrt{6}+2\sqrt{6}=7\sqrt{6}\)। चरण 3: समान वर्गमूल बनने के बाद ही जोड़ें।

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Question 10/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 13

यदि \(x=\sqrt{2}+\sqrt{8}\), तो (x) का सरल रूप क्या है?

If \(x=\sqrt{2}+\sqrt{8}\), what is the simplified form of (x)?

Explanation opens after your attempt
Correct Answer

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

Step 1

Concept

\(\sqrt{8}=2\sqrt{2}\).

Step 2

Why this answer is correct

\(x=\sqrt{2}+2\sqrt{2}=3\sqrt{2}\).

Step 3

Exam Tip

Before adding, convert radicals into like form. चरण 1: \(\sqrt{8}=2\sqrt{2}\)। चरण 2: \(x=\sqrt{2}+2\sqrt{2}=3\sqrt{2}\)। चरण 3: जोड़ने से पहले वर्गमूलों को समान रूप में बदलें।

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Question 11/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 13

\(\sqrt{8}+\sqrt{32}+\sqrt{128}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{8}+\sqrt{32}+\sqrt{128}\)?

Explanation opens after your attempt
Correct Answer

A. \(14\sqrt{2}\)

Step 1

Concept

\(\sqrt{8}=2\sqrt{2}\), \(\sqrt{32}=4\sqrt{2}\), and \(\sqrt{128}=8\sqrt{2}\).

Step 2

Why this answer is correct

The sum is \(2\sqrt{2}+4\sqrt{2}+8\sqrt{2}=14\sqrt{2}\).

Step 3

Exam Tip

With many radicals, simplify all of them first. चरण 1: \(\sqrt{8}=2\sqrt{2}\), \(\sqrt{32}=4\sqrt{2}\), और \(\sqrt{128}=8\sqrt{2}\)। चरण 2: योग \(2\sqrt{2}+4\sqrt{2}+8\sqrt{2}=14\sqrt{2}\)। चरण 3: कई वर्गमूल हों तो पहले सबको सरल रूप में लिखें।

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Question 12/19 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 13

\(\sqrt{12}+\sqrt{27}+\sqrt{75}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{12}+\sqrt{27}+\sqrt{75}\)?

Explanation opens after your attempt
Correct Answer

A. \(10\sqrt{3}\)

Step 1

Concept

\(\sqrt{12}=2\sqrt{3}\), \(\sqrt{27}=3\sqrt{3}\), and \(\sqrt{75}=5\sqrt{3}\).

Step 2

Why this answer is correct

Adding gives \(2\sqrt{3}+3\sqrt{3}+5\sqrt{3}=10\sqrt{3}\).

Step 3

Exam Tip

Once radicals are like terms, add only the coefficients. चरण 1: \(\sqrt{12}=2\sqrt{3}\), \(\sqrt{27}=3\sqrt{3}\), और \(\sqrt{75}=5\sqrt{3}\)। चरण 2: जोड़ने पर \(2\sqrt{3}+3\sqrt{3}+5\sqrt{3}=10\sqrt{3}\)। चरण 3: समान वर्गमूल बनने पर केवल गुणांक जोड़ें।

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Question 13/19 Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 15

\(\sqrt{32}+\sqrt{128}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{32}+\sqrt{128}\)?

Explanation opens after your attempt
Correct Answer

A. \(12\sqrt{2}\)

Step 1

Concept

\(\sqrt{32}=4\sqrt{2}\) and \(\sqrt{128}=8\sqrt{2}\).

Step 2

Why this answer is correct

\(4\sqrt{2}+8\sqrt{2}=12\sqrt{2}\).

Step 3

Exam Tip

Radicals can be added only when they become like radicals. चरण 1: \(\sqrt{32}=4\sqrt{2}\) और \(\sqrt{128}=8\sqrt{2}\)। चरण 2: \(4\sqrt{2}+8\sqrt{2}=12\sqrt{2}\)। चरण 3: समान वर्गमूल बनने पर ही उन्हें जोड़ा जा सकता है।

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Question 14/19 Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 15

\(\sqrt{5}+\sqrt{45}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{5}+\sqrt{45}\)?

Explanation opens after your attempt
Correct Answer

A. \(4\sqrt{5}\)

Step 1

Concept

\(\sqrt{45}=3\sqrt{5}\).

Step 2

Why this answer is correct

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

Step 3

Exam Tip

While adding radicals, simplify them until like radicals appear. चरण 1: \(\sqrt{45}=3\sqrt{5}\) है। चरण 2: \(\sqrt{5}+3\sqrt{5}=4\sqrt{5}\)। चरण 3: वर्गमूल जोड़ते समय समान वर्गमूल बनने तक सरल करें।

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Question 15/19 Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 15

\(\sqrt{3}+\sqrt{27}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{3}+\sqrt{27}\)?

Explanation opens after your attempt
Correct Answer

A. \(4\sqrt{3}\)

Step 1

Concept

\(\sqrt{27}=3\sqrt{3}\).

Step 2

Why this answer is correct

\(\sqrt{3}+3\sqrt{3}=4\sqrt{3}\).

Step 3

Exam Tip

Before adding, simplify radicals and make them like terms. चरण 1: \(\sqrt{27}=3\sqrt{3}\) होता है। चरण 2: \(\sqrt{3}+3\sqrt{3}=4\sqrt{3}\)। चरण 3: जोड़ने से पहले वर्गमूलों को सरल करके समान रूप बनाएं।

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Question 16/19 Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

\(\sqrt{8}+\sqrt{18}\) का सरल रूप क्या होगा?

What is the simplified form of \(\sqrt{8}+\sqrt{18}\)?

Explanation opens after your attempt
Correct Answer

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

Step 1

Concept

\(\sqrt{8}=2\sqrt{2}\) and \(\sqrt{18}=3\sqrt{2}\).

Step 2

Why this answer is correct

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

Step 3

Exam Tip

Radicals can be added only after they become like radicals. चरण 1: \(\sqrt{8}=2\sqrt{2}\) और \(\sqrt{18}=3\sqrt{2}\)। चरण 2: \(2\sqrt{2}+3\sqrt{2}=5\sqrt{2}\)। चरण 3: समान वर्गमूल बनने पर ही उन्हें जोड़ा जा सकता है।

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Question 17/19 Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

\(\sqrt{3}\) और \(\sqrt{12}\) का योग क्या है?

What is the sum of \(\sqrt{3}\) and \(\sqrt{12}\)?

Explanation opens after your attempt
Correct Answer

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

Step 1

Concept

\(\sqrt{12}=2\sqrt{3}\).

Step 2

Why this answer is correct

\(\sqrt{3}+2\sqrt{3}=3\sqrt{3}\).

Step 3

Exam Tip

Before adding, convert radicals into like terms if possible. चरण 1: \(\sqrt{12}=2\sqrt{3}\) है। चरण 2: \(\sqrt{3}+2\sqrt{3}=3\sqrt{3}\)। चरण 3: जोड़ से पहले वर्गमूलों को समान रूप में बदलें।

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Question 18/19 Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

\(\sqrt{7}+\sqrt{7}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{7}+\sqrt{7}\)?

Explanation opens after your attempt
Correct Answer

A. \(2\sqrt{7}\)

Step 1

Concept

Like radicals are added like like terms.

Step 2

Why this answer is correct

\(\sqrt{7}+\sqrt{7}=2\sqrt{7}\).

Step 3

Exam Tip

In addition, do not add the numbers inside roots to write \(\sqrt{14}\). चरण 1: समान वर्गमूलों को समान पद की तरह जोड़ा जाता है। चरण 2: \(\sqrt{7}+\sqrt{7}=2\sqrt{7}\)। चरण 3: जोड़ में अंदर की संख्याएँ जोड़कर \(\sqrt{14}\) नहीं लिखना चाहिए।

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Question 19/19 Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 13

\(\sqrt{2}\) और \(\sqrt{8}\) का योग किसके बराबर है?

What is the sum of \(\sqrt{2}\) and \(\sqrt{8}\)?

Explanation opens after your attempt
Correct Answer

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

Step 1

Concept

\(\sqrt{8}=2\sqrt{2}\).

Step 2

Why this answer is correct

\(\sqrt{2}+2\sqrt{2}=3\sqrt{2}\).

Step 3

Exam Tip

Simplify radicals before adding them. चरण 1: \(\sqrt{8}=2\sqrt{2}\) है। चरण 2: \(\sqrt{2}+2\sqrt{2}=3\sqrt{2}\)। चरण 3: जोड़ने से पहले वर्गमूलों को सरल करें।

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