Class 9 Mathematics - Number Systems - Decimal representation Easy Quiz

Mathematics Number Systems Decimal representation Easy Class 9 Level 7

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Question 1/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(2^3\) का मान क्या है?

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

Explanation opens after your attempt

Correct Answer

A. 8

Explanation

Simple Explanation

\(2\times2\times2=8\)। घात को बार-बार गुणा के रूप में लिखें। / \(2\times2\times2=8\). Write exponents as repeated multiplication.

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Question 2/50 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 3/50 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 4/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(5^3\) का मान क्या है?

What is the value of \(5^3\)?

Explanation opens after your attempt

Correct Answer

B. 125

Explanation

Simple Explanation

\(5\times5\times5=125\)। घन का अर्थ तीन बार गुणा है। / \(5\times5\times5=125\). A cube means multiplying three times.

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Question 5/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(10^2\) का मान क्या है?

What is the value of \(10^2\)?

Explanation opens after your attempt

Correct Answer

B. 100

Explanation

Simple Explanation

\(10\times10=100\)। 10 की घातें याद रखें। / \(10\times10=100\). Remember powers of 10.

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Question 6/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(2^7\) का मान क्या है?

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

Explanation opens after your attempt

Correct Answer

C. 128

Explanation

Simple Explanation

\(2^7=128\)। दो की घातें याद रखें। / \(2^7=128\). Remember powers of 2.

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Question 7/50 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 8/50 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 9/50 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 10/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(6^3\) का मान क्या है?

What is the value of \(6^3\)?

Explanation opens after your attempt

Correct Answer

A. 216

Explanation

Simple Explanation

\(6\times6\times6=216\)। घन की परिभाषा प्रयोग करें। / \(6\times6\times6=216\). Use the definition of cube.

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Question 11/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(7^1\) का मान क्या है?

What is the value of \(7^1\)?

Explanation opens after your attempt

Correct Answer

A. 7

Explanation

Simple Explanation

किसी भी संख्या की घात 1 वही संख्या होती है। नियम याद रखें। / Any number raised to 1 is the number itself. Remember the rule.

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Question 12/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(2^3\times2^1\) का मान क्या है?

What is the value of \(2^3\times2^1\)?

Explanation opens after your attempt

Correct Answer

B. 16

Explanation

Simple Explanation

\(2^{3+1}=2^4=16\)। समान आधार पर घात जोड़ें। / \(2^{3+1}=2^4=16\). Add exponents for the same base.

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Question 13/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(1^8\) का मान क्या है?

What is the value of \(1^8\)?

Explanation opens after your attempt

Correct Answer

B. 1

Explanation

Simple Explanation

1 की कोई भी घात 1 होती है। यह मूल नियम है। / Any power of 1 is 1. This is a basic rule.

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Question 14/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(25^1\) का मान क्या है?

What is the value of \(25^1\)?

Explanation opens after your attempt

Correct Answer

C. 25

Explanation

Simple Explanation

घात 1 होने पर संख्या वही रहती है। / A number raised to 1 remains unchanged.

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Question 15/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(2^4\) का मान क्या है?

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

Explanation opens after your attempt

Correct Answer

C. 16

Explanation

Simple Explanation

\(2\times2\times2\times2=16\)। चरणबद्ध गुणा करें। / \(2\times2\times2\times2=16\). Multiply step by step.

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Question 16/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(0^5\) का मान क्या है?

What is the value of \(0^5\)?

Explanation opens after your attempt

Correct Answer

D. 0

Explanation

Simple Explanation

0 की धनात्मक घात 0 होती है। नियम याद रखें। / Any positive power of 0 equals 0. Remember the rule.

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Question 17/50 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 18/50 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 19/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(2^2\times2^3\) का मान क्या है?

What is the value of \(2^2\times2^3\)?

Explanation opens after your attempt

Correct Answer

A. 32

Explanation

Simple Explanation

समान आधार पर घातें जोड़ते हैं: \(2^{5}=32\)। / For same base add exponents: \(2^{5}=32\).

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Question 20/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(7^3\) का मान क्या है?

What is the value of \(7^3\)?

Explanation opens after your attempt

Correct Answer

B. 343

Explanation

Simple Explanation

\(7\times7\times7=343\)। घन याद रखें। / \(7\times7\times7=343\). Remember common cubes.

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Question 21/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(3^3\) का मान क्या है?

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

Explanation opens after your attempt

Correct Answer

B. 27

Explanation

Simple Explanation

\(3\times3\times3=27\)। घन का अर्थ तीन बार गुणा है। / \(3\times3\times3=27\). A cube means multiplying three times.

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Question 22/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(100^1\) का मान क्या है?

What is the value of \(100^1\)?

Explanation opens after your attempt

Correct Answer

C. 100

Explanation

Simple Explanation

घात 1 पर संख्या अपरिवर्तित रहती है। / With exponent 1 the number remains unchanged.

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Question 23/50 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 24/50 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 25/50 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 26/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(4^4\) का मान क्या है?

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

Explanation opens after your attempt

Correct Answer

A. 256

Explanation

Simple Explanation

\(4\times4\times4\times4=256\)। क्रमवार गुणा करें। / \(4\times4\times4\times4=256\). Multiply step by step.

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Question 27/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(10^3\) का मान क्या है?

What is the value of \(10^3\)?

Explanation opens after your attempt

Correct Answer

A. 1000

Explanation

Simple Explanation

\(10\times10\times10=1000\)। 10 की घातें महत्वपूर्ण हैं। / \(10\times10\times10=1000\). Powers of 10 are important.

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Question 28/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(8^1\) का मान क्या है?

What is the value of \(8^1\)?

Explanation opens after your attempt

Correct Answer

B. 8

Explanation

Simple Explanation

घात 1 होने पर उत्तर वही संख्या होता है। / Exponent 1 gives the same number.

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Question 29/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(4^3\) का मान क्या है?

What is the value of \(4^3\)?

Explanation opens after your attempt

Correct Answer

B. 64

Explanation

Simple Explanation

\(4\times4\times4=64\)। घन का मान निकालें। / \(4\times4\times4=64\). Evaluate the cube.

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Question 30/50 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 31/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(5^0\) का मान क्या है?

What is the value of \(5^0\)?

Explanation opens after your attempt

Correct Answer

C. 1

Explanation

Simple Explanation

शून्य घात का मान 1 होता है। यह महत्वपूर्ण नियम है। / Any non-zero number raised to 0 equals 1. Important rule.

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Question 32/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(2^0\) का मान क्या है?

What is the value of \(2^0\)?

Explanation opens after your attempt

Correct Answer

D. 1

Explanation

Simple Explanation

किसी भी गैर-शून्य संख्या की शून्य घात 1 होती है। / Any non-zero number raised to 0 equals 1.

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Question 33/50 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 34/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(3^2\times3^2\) का मान क्या है?

What is the value of \(3^2\times3^2\)?

Explanation opens after your attempt

Correct Answer

A. 81

Explanation

Simple Explanation

\(3^{2+2}=3^4=81\)। समान आधार पर घात जोड़ें। / \(3^{2+2}=3^4=81\). Add exponents with the same base.

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Question 35/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(2^5\) का मान क्या है?

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

Explanation opens after your attempt

Correct Answer

A. 32

Explanation

Simple Explanation

(2) को पाँच बार गुणा करने पर 32 मिलता है। / Multiplying (2) five times gives 32.

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Question 36/50 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 37/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(3^2\times3^1\) का मान क्या है?

What is the value of \(3^2\times3^1\)?

Explanation opens after your attempt

Correct Answer

B. 27

Explanation

Simple Explanation

\(3^{2+1}=3^3=27\)। समान आधार पर घात जोड़ें। / \(3^{2+1}=3^3=27\). Add exponents for the same base.

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Question 38/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(9^3\) का मान क्या है?

What is the value of \(9^3\)?

Explanation opens after your attempt

Correct Answer

C. 729

Explanation

Simple Explanation

\(9\times9\times9=729\)। घन का मान याद रखें। / \(9\times9\times9=729\). Remember this cube.

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Question 39/50 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 40/50 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 41/50 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 42/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(1^0\) का मान क्या है?

What is the value of \(1^0\)?

Explanation opens after your attempt

Correct Answer

A. 1

Explanation

Simple Explanation

1 की कोई भी घात 1 होती है। नियम लागू करें। / Any power of 1 is 1. Apply the rule.

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Question 43/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(2^6\) का मान क्या है?

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

Explanation opens after your attempt

Correct Answer

B. 64

Explanation

Simple Explanation

\(2^6=64\)। दो की घातें याद रखें। / \(2^6=64\). Remember powers of 2.

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Question 44/50 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 45/50 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 46/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(2^1\times2^2\) का मान क्या है?

What is the value of \(2^1\times2^2\)?

Explanation opens after your attempt

Correct Answer

A. 8

Explanation

Simple Explanation

\(2^{1+2}=2^3=8\)। घात जोड़ने का नियम लगाएँ। / \(2^{1+2}=2^3=8\). Apply the exponent addition rule.

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Question 47/50 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 48/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(3^4\) का मान क्या है?

What is the value of \(3^4\)?

Explanation opens after your attempt

Correct Answer

C. 81

Explanation

Simple Explanation

\(3\times3\times3\times3=81\)। घात को विस्तार करें। / \(3\times3\times3\times3=81\). Expand the exponent.

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Question 49/50 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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Question 50/50 Easy Mathematics Number Systems Exponents Class 9 Level 7

\(9^1\) का मान क्या है?

What is the value of \(9^1\)?

Explanation opens after your attempt

Correct Answer

A. 9

Explanation

Simple Explanation

घात 1 होने पर संख्या वही रहती है। नियम याद रखें। / When the exponent is 1 the number remains unchanged. Remember the rule.

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