Concept-wise Practice

irrational-between-numbers MCQ Questions for Class 10

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Practice Questions

8 questions tagged with irrational-between-numbers.

Question 1/8 Expert Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 15

कौन सी संख्या (2) और (3) के बीच अपरिमेय है?

Which number is irrational and lies between (2) and (3)?

Explanation opens after your attempt
Correct Answer

B. \(\sqrt{5}\)

Step 1

Concept

(4<5<9).

Step 2

Why this answer is correct

Therefore \(2<\sqrt{5}<3\) and since (5) is not a perfect square \(\sqrt{5}\) is irrational.

Step 3

Exam Tip

Use squares to locate irrational square roots between integers. चरण 1: (4<5<9) है। चरण 2: इसलिए \(2<\sqrt{5}<3\) और (5) पूर्ण वर्ग नहीं है इसलिए \(\sqrt{5}\) अपरिमेय है। चरण 3: बीच की संख्या खोजते समय वर्गों से सीमा बनाएं।

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Question 2/8 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 15

कौन-सी संख्या (11) और (12) के बीच स्थित अपरिमेय संख्या है?

Which number is an irrational number between (11) and (12)?

Explanation opens after your attempt
Correct Answer

B. \(\sqrt{130}\)

Step 1

Concept

Since (121<130<144), \(11<\sqrt{130}<12\).

Step 2

Why this answer is correct

(130) is not a perfect square, so \(\sqrt{130}\) is irrational.

Step 3

Exam Tip

In interval questions, use nearby perfect squares to set the range. चरण 1: (121<130<144), इसलिए \(11<\sqrt{130}<12\)। चरण 2: (130) पूर्ण वर्ग नहीं है, इसलिए \(\sqrt{130}\) अपरिमेय है। चरण 3: अंतराल वाले प्रश्नों में पास के पूर्ण वर्गों से सीमा तय करें।

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Question 3/8 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

कौन-सी संख्या (9) और (10) के बीच स्थित अपरिमेय संख्या है?

Which number is an irrational number between (9) and (10)?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{85}\)

Step 1

Concept

Since (81<85<100), \(9<\sqrt{85}<10\).

Step 2

Why this answer is correct

(85) is not a perfect square, so \(\sqrt{85}\) is irrational.

Step 3

Exam Tip

In interval questions, use nearby perfect squares. चरण 1: (81<85<100), इसलिए \(9<\sqrt{85}<10\)। चरण 2: (85) पूर्ण वर्ग नहीं है, इसलिए \(\sqrt{85}\) अपरिमेय है। चरण 3: अंतराल वाले प्रश्न में पास के पूर्ण वर्गों का उपयोग करें।

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Question 4/8 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 13

कौन-सी संख्या (8) और (9) के बीच स्थित अपरिमेय संख्या है?

Which number is an irrational number between (8) and (9)?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{65}\)

Step 1

Concept

Since (64<65<81), \(8<\sqrt{65}<9\).

Step 2

Why this answer is correct

(65) is not a perfect square, so \(\sqrt{65}\) is irrational.

Step 3

Exam Tip

The square root of a number between two perfect squares lies between their roots. चरण 1: (64<65<81), इसलिए \(8<\sqrt{65}<9\)। चरण 2: (65) पूर्ण वर्ग नहीं है, इसलिए \(\sqrt{65}\) अपरिमेय है। चरण 3: दो पूर्ण वर्गों के बीच की संख्या का वर्गमूल उनके मूलों के बीच होता है।

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Question 5/8 Medium Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 13

कौन-सी संख्या (2) और (3) के बीच अपरिमेय संख्या है?

Which number is an irrational number between (2) and (3)?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{5}\)

Step 1

Concept

Since (4<5<9), \(2<\sqrt{5}<3\).

Step 2

Why this answer is correct

(5) is not a perfect square, so \(\sqrt{5}\) is irrational.

Step 3

Exam Tip

Use nearby perfect squares to locate a square root. चरण 1: (4<5<9), इसलिए \(2<\sqrt{5}<3\)। चरण 2: (5) पूर्ण वर्ग नहीं है, इसलिए \(\sqrt{5}\) अपरिमेय है। चरण 3: वर्गमूल की स्थिति जानने के लिए पास के पूर्ण वर्ग देखें।

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Question 6/8 Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 15

कौन-सी संख्या (6) और (7) के बीच स्थित अपरिमेय संख्या है?

Which number is an irrational number between (6) and (7)?

Explanation opens after your attempt
Correct Answer

C. \(\sqrt{45}\)

Step 1

Concept

Since (36<45<49), \(6<\sqrt{45}<7\).

Step 2

Why this answer is correct

(45) is not a perfect square, so \(\sqrt{45}\) is irrational.

Step 3

Exam Tip

In interval questions, use nearby perfect squares. चरण 1: (36<45<49), इसलिए \(6<\sqrt{45}<7\)। चरण 2: (45) पूर्ण वर्ग नहीं है, इसलिए \(\sqrt{45}\) अपरिमेय है। चरण 3: अंतराल वाले प्रश्नों में पास के पूर्ण वर्गों का उपयोग करें।

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Question 7/8 Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

कौन-सी संख्या (4) और (5) के बीच स्थित अपरिमेय संख्या है?

Which number is an irrational number lying between (4) and (5)?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{17}\)

Step 1

Concept

Since (16<17<25), \(4<\sqrt{17}<5\).

Step 2

Why this answer is correct

(17) is not a perfect square, so \(\sqrt{17}\) is irrational.

Step 3

Exam Tip

Use nearby perfect squares in interval questions. चरण 1: (16<17<25), इसलिए \(4<\sqrt{17}<5\)। चरण 2: (17) पूर्ण वर्ग नहीं है, इसलिए \(\sqrt{17}\) अपरिमेय है। चरण 3: अंतराल वाले प्रश्न में पास के पूर्ण वर्गों का उपयोग करें।

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Question 8/8 Easy Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 13

निम्नलिखित में से कौन-सी संख्या (3) और (4) के बीच है और अपरिमेय है?

Which of the following numbers lies between (3) and (4) and is irrational?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{10}\)

Step 1

Concept

Since (9<10<16), we get \(3<\sqrt{10}<4\).

Step 2

Why this answer is correct

(10) is not a perfect square, so \(\sqrt{10}\) is irrational.

Step 3

Exam Tip

Use nearby perfect squares to locate square roots. चरण 1: (9<10<16), इसलिए \(3<\sqrt{10}<4\)। चरण 2: (10) पूर्ण वर्ग नहीं है, इसलिए \(\sqrt{10}\) अपरिमेय है। चरण 3: दो पूर्ण वर्गों के बीच की संख्या का वर्गमूल अंतराल बताता है।

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