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Class 9 Mathematics - Number Systems - Proof of irrationality of square root 2 and square root 3 Easy Quiz

Mathematics Number Systems Proof of irrationality of square root 2 and square root 3 Easy Class 9 Level 7

Level 7 • 20/50 questions • 40 seconds per question.

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This level needs 30 more active questions. Admin panel me same class, subject, difficulty aur level_no 7 par question add karein.
Question 1 / 20 0 score
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Question 1/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(18^2\) का मान क्या है?

What is the value of \(18^2\)?

Explanation opens after your attempt
Correct Answer

A. 324

Explanation

Simple Explanation

\(18\times18=324\)। वर्ग निकालने का अभ्यास करें। / \(18\times18=324\). Practice finding squares.

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Question 2/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(5^2\) का मान क्या है?

What is the value of \(5^2\)?

Explanation opens after your attempt
Correct Answer

C. 25

Explanation

Simple Explanation

\(5\times5=25\)। वर्ग का अर्थ संख्या को स्वयं से गुणा करना है। / \(5\times5=25\). A square means multiplying a number by itself.

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Question 3/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(3^2\) का मान क्या है?

What is the value of \(3^2\)?

Explanation opens after your attempt
Correct Answer

C. 9

Explanation

Simple Explanation

\(3\times3=9\)। छोटे वर्ग याद रखें। / \(3\times3=9\). Memorize small squares.

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Question 4/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(20^2\) का मान क्या है?

What is the value of \(20^2\)?

Explanation opens after your attempt
Correct Answer

D. 400

Explanation

Simple Explanation

\(20\times20=400\)। वर्ग सीधे निकालें। / \(20\times20=400\). Compute the square directly.

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Question 5/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(4^2\) का मान क्या है?

What is the value of \(4^2\)?

Explanation opens after your attempt
Correct Answer

D. 16

Explanation

Simple Explanation

\(4\times4=16\)। वर्ग निकालने का अभ्यास करें। / \(4\times4=16\). Practice finding squares.

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Question 6/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(9^2\) का मान क्या है?

What is the value of \(9^2\)?

Explanation opens after your attempt
Correct Answer

D. 81

Explanation

Simple Explanation

\(9\times9=81\)। वर्गों की सूची याद करें। / \(9\times9=81\). Learn common squares.

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Question 7/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(17^2\) का मान क्या है?

What is the value of \(17^2\)?

Explanation opens after your attempt
Correct Answer

A. 289

Explanation

Simple Explanation

\(17\times17=289\)। सावधानी से गुणा करें। / \(17\times17=289\). Multiply carefully.

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Question 8/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(6^2\) का मान क्या है?

What is the value of \(6^2\)?

Explanation opens after your attempt
Correct Answer

C. 36

Explanation

Simple Explanation

\(6\times6=36\)। वर्ग का सीधा उपयोग करें। / \(6\times6=36\). Use the square directly.

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Question 9/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(30^2\) का मान क्या है?

What is the value of \(30^2\)?

Explanation opens after your attempt
Correct Answer

D. 900

Explanation

Simple Explanation

\(30\times30=900\)। शून्य वाली संख्याओं पर ध्यान दें। / \(30\times30=900\). Be careful with zeros.

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Question 10/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(8^2\) का मान क्या है?

What is the value of \(8^2\)?

Explanation opens after your attempt
Correct Answer

D. 64

Explanation

Simple Explanation

\(8\times8=64\)। वर्गों का अभ्यास करें। / \(8\times8=64\). Practice squares.

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Question 11/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(19^2\) का मान क्या है?

What is the value of \(19^2\)?

Explanation opens after your attempt
Correct Answer

C. 361

Explanation

Simple Explanation

\(19\times19=361\)। वर्गों का अभ्यास करें। / \(19\times19=361\). Practice squares.

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Question 12/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(7^2\) का मान क्या है?

What is the value of \(7^2\)?

Explanation opens after your attempt
Correct Answer

D. 49

Explanation

Simple Explanation

\(7\times7=49\)। वर्ग निकालें। / \(7\times7=49\). Find the square.

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Question 13/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(21^2\) का मान क्या है?

What is the value of \(21^2\)?

Explanation opens after your attempt
Correct Answer

B. 441

Explanation

Simple Explanation

\(21\times21=441\)। गुणा सावधानी से करें। / \(21\times21=441\). Multiply carefully.

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Question 14/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(11^2\) का मान क्या है?

What is the value of \(11^2\)?

Explanation opens after your attempt
Correct Answer

C. 121

Explanation

Simple Explanation

\(11\times11=121\)। सावधानी से गुणा करें। / \(11\times11=121\). Multiply carefully.

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Question 15/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(40^2\) का मान क्या है?

What is the value of \(40^2\)?

Explanation opens after your attempt
Correct Answer

D. 1600

Explanation

Simple Explanation

\(40\times40=1600\)। 4 का वर्ग लेकर दो शून्य जोड़ें। / \(40\times40=1600\). Square 4 and add two zeros.

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Question 16/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(12^2\) का मान क्या है?

What is the value of \(12^2\)?

Explanation opens after your attempt
Correct Answer

D. 144

Explanation

Simple Explanation

\(12\times12=144\)। वर्ग याद रखें। / \(12\times12=144\). Remember common squares.

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Question 17/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(13^2\) का मान क्या है?

What is the value of \(13^2\)?

Explanation opens after your attempt
Correct Answer

C. 169

Explanation

Simple Explanation

\(13\times13=169\)। गुणा सही करें। / \(13\times13=169\). Multiply correctly.

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Question 18/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(15^2\) का मान क्या है?

What is the value of \(15^2\)?

Explanation opens after your attempt
Correct Answer

D. 225

Explanation

Simple Explanation

\(15\times15=225\)। वर्ग निकालें। / \(15\times15=225\). Find the square.

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Question 19/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(14^2\) का मान क्या है?

What is the value of \(14^2\)?

Explanation opens after your attempt
Correct Answer

B. 196

Explanation

Simple Explanation

\(14\times14=196\)। वर्गों का अभ्यास करें। / \(14\times14=196\). Practice squares.

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Question 20/20 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(16^2\) का मान क्या है?

What is the value of \(16^2\)?

Explanation opens after your attempt
Correct Answer

D. 256

Explanation

Simple Explanation

\(16\times16=256\)। गुणा ध्यान से करें। / \(16\times16=256\). Multiply carefully.

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