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Class 9 Mathematics - Number Systems - Decimal representation Easy Quiz

Mathematics Number Systems Decimal representation Easy Class 9 Level 8

Level 8 • 50/50 questions • 40 seconds per question.

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Question 1/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(22^2\) का मान क्या है?

What is the value of \(22^2\)?

Explanation opens after your attempt
Correct Answer

A. 484

Explanation

Simple Explanation

\(22\times22=484\)। वर्ग का सीधा गुणन करें। / \(22\times22=484\). Multiply directly to find the square.

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Question 2/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(34^2\) का मान क्या है?

What is the value of \(34^2\)?

Explanation opens after your attempt
Correct Answer

A. 1156

Explanation

Simple Explanation

\(34\times34=1156\)। वर्ग का सही गुणन करें। / \(34\times34=1156\). Multiply correctly to find the square.

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Question 3/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(8^3\) का मान क्या है?

What is the value of \(8^3\)?

Explanation opens after your attempt
Correct Answer

B. 512

Explanation

Simple Explanation

\(8\times8\times8=512\)। घन का अर्थ तीन बार गुणा है। / \(8\times8\times8=512\). A cube means multiplying three times.

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Question 4/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(13^3\) का मान क्या है?

What is the value of \(13^3\)?

Explanation opens after your attempt
Correct Answer

B. 2197

Explanation

Simple Explanation

\(13\times13\times13=2197\)। घन का मान निकालें। / \(13\times13\times13=2197\). Evaluate the cube.

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Question 5/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(24^2\) का मान क्या है?

What is the value of \(24^2\)?

Explanation opens after your attempt
Correct Answer

C. 576

Explanation

Simple Explanation

\(24\times24=576\)। सावधानी से गुणा करें। / \(24\times24=576\). Multiply carefully.

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Question 6/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(35^2\) का मान क्या है?

What is the value of \(35^2\)?

Explanation opens after your attempt
Correct Answer

C. 1225

Explanation

Simple Explanation

\(35\times35=1225\)। वर्गों का अभ्यास करें। / \(35\times35=1225\). Practice squares.

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

\(50^2\) का मान क्या है?

What is the value of \(50^2\)?

Explanation opens after your attempt
Correct Answer

D. 2500

Explanation

Simple Explanation

\(50\times50=2500\)। 5 का वर्ग लेकर शून्य जोड़ें। / \(50\times50=2500\). Square 5 and add zeros.

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

\(14^3\) का मान क्या है?

What is the value of \(14^3\)?

Explanation opens after your attempt
Correct Answer

D. 2744

Explanation

Simple Explanation

\(14\times14\times14=2744\)। चरणबद्ध गुणा करें। / \(14\times14\times14=2744\). Multiply step by step.

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

\(2^8\) का मान क्या है?

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

Explanation opens after your attempt
Correct Answer

A. 256

Explanation

Simple Explanation

\(2^8=256\)। दो की घातें याद रखें। / \(2^8=256\). Remember powers of 2.

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

\(36^2\) का मान क्या है?

What is the value of \(36^2\)?

Explanation opens after your attempt
Correct Answer

A. 1296

Explanation

Simple Explanation

\(36\times36=1296\)। वर्ग याद रखें। / \(36\times36=1296\). Remember common squares.

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Question 11/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(25^2\) का मान क्या है?

What is the value of \(25^2\)?

Explanation opens after your attempt
Correct Answer

B. 625

Explanation

Simple Explanation

\(25\times25=625\)। वर्ग निकालें। / \(25\times25=625\). Find the square.

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Question 12/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(15^3\) का मान क्या है?

What is the value of \(15^3\)?

Explanation opens after your attempt
Correct Answer

B. 3375

Explanation

Simple Explanation

\(15\times15\times15=3375\)। घन की परिभाषा प्रयोग करें। / \(15\times15\times15=3375\). Use the definition of cube.

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Question 13/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(3^5\) का मान क्या है?

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

Explanation opens after your attempt
Correct Answer

C. 243

Explanation

Simple Explanation

\(3\times3\times3\times3\times3=243\)। / \(3\times3\times3\times3\times3=243\).

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Question 14/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(37^2\) का मान क्या है?

What is the value of \(37^2\)?

Explanation opens after your attempt
Correct Answer

C. 1369

Explanation

Simple Explanation

\(37\times37=1369\)। गुणा सावधानी से करें। / \(37\times37=1369\). Multiply carefully.

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Question 15/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(60^2\) का मान क्या है?

What is the value of \(60^2\)?

Explanation opens after your attempt
Correct Answer

D. 3600

Explanation

Simple Explanation

\(60\times60=3600\)। 6 का वर्ग लेकर दो शून्य जोड़ें। / \(60\times60=3600\). Square 6 and add two zeros.

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Question 16/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(16^3\) का मान क्या है?

What is the value of \(16^3\)?

Explanation opens after your attempt
Correct Answer

D. 4096

Explanation

Simple Explanation

\(16\times16\times16=4096\)। घातों का अभ्यास करें। / \(16\times16\times16=4096\). Practice powers.

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Question 17/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(4^5\) का मान क्या है?

What is the value of \(4^5\)?

Explanation opens after your attempt
Correct Answer

A. 1024

Explanation

Simple Explanation

\(4^5=1024\)। क्रमवार गुणा करें। / \(4^5=1024\). Multiply step by step.

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Question 18/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(38^2\) का मान क्या है?

What is the value of \(38^2\)?

Explanation opens after your attempt
Correct Answer

A. 1444

Explanation

Simple Explanation

\(38\times38=1444\)। वर्ग निकालें। / \(38\times38=1444\). Find the square.

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Question 19/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(23^2\) का मान क्या है?

What is the value of \(23^2\)?

Explanation opens after your attempt
Correct Answer

B. 529

Explanation

Simple Explanation

\(23\times23=529\)। वर्ग याद रखें। / \(23\times23=529\). Remember common squares.

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Question 20/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(17^3\) का मान क्या है?

What is the value of \(17^3\)?

Explanation opens after your attempt
Correct Answer

B. 4913

Explanation

Simple Explanation

\(17\times17\times17=4913\)। घन का मान याद रखें। / \(17\times17\times17=4913\). Remember this cube.

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Question 21/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(5^4\) का मान क्या है?

What is the value of \(5^4\)?

Explanation opens after your attempt
Correct Answer

C. 625

Explanation

Simple Explanation

\(5\times5\times5\times5=625\)। / \(5\times5\times5\times5=625\).

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Question 22/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(39^2\) का मान क्या है?

What is the value of \(39^2\)?

Explanation opens after your attempt
Correct Answer

C. 1521

Explanation

Simple Explanation

\(39\times39=1521\)। सही गुणा करें। / \(39\times39=1521\). Multiply correctly.

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Question 23/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(70^2\) का मान क्या है?

What is the value of \(70^2\)?

Explanation opens after your attempt
Correct Answer

D. 4900

Explanation

Simple Explanation

\(70\times70=4900\)। 7 का वर्ग लेकर दो शून्य जोड़ें। / \(70\times70=4900\). Square 7 and add two zeros.

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Question 24/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(18^3\) का मान क्या है?

What is the value of \(18^3\)?

Explanation opens after your attempt
Correct Answer

D. 5832

Explanation

Simple Explanation

\(18\times18\times18=5832\)। चरणबद्ध गुणा करें। / \(18\times18\times18=5832\). Multiply step by step.

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Question 25/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(3^0\) का मान क्या है?

What is the value of \(3^0\)?

Explanation opens after your attempt
Correct Answer

A. 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 26/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(2^9\) का मान क्या है?

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

Explanation opens after your attempt
Correct Answer

A. 512

Explanation

Simple Explanation

\(2^9=512\)। दो की घातें याद रखें। / \(2^9=512\). Remember powers of 2.

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Question 27/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(26^2\) का मान क्या है?

What is the value of \(26^2\)?

Explanation opens after your attempt
Correct Answer

B. 676

Explanation

Simple Explanation

\(26\times26=676\)। गुणा सही करें। / \(26\times26=676\). Multiply correctly.

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Question 28/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(19^3\) का मान क्या है?

What is the value of \(19^3\)?

Explanation opens after your attempt
Correct Answer

B. 6859

Explanation

Simple Explanation

\(19\times19\times19=6859\)। घन निकालें। / \(19\times19\times19=6859\). Find the cube.

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Question 29/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(2^2\times2^4\) का मान क्या है?

What is the value of \(2^2\times2^4\)?

Explanation opens after your attempt
Correct Answer

C. 64

Explanation

Simple Explanation

\(2^{2+4}=2^6=64\)। समान आधार पर घात जोड़ें। / \(2^{2+4}=2^6=64\). Add exponents for the same base.

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Question 30/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(4^1\times4^2\) का मान क्या है?

What is the value of \(4^1\times4^2\)?

Explanation opens after your attempt
Correct Answer

C. 64

Explanation

Simple Explanation

\(4^{1+2}=4^3=64\)। समान आधार पर घात जोड़ें। / \(4^{1+2}=4^3=64\). Add exponents for the same base.

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Question 31/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(80^2\) का मान क्या है?

What is the value of \(80^2\)?

Explanation opens after your attempt
Correct Answer

D. 6400

Explanation

Simple Explanation

\(80\times80=6400\)। 8 का वर्ग लेकर दो शून्य जोड़ें। / \(80\times80=6400\). Square 8 and add two zeros.

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Question 32/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(20^3\) का मान क्या है?

What is the value of \(20^3\)?

Explanation opens after your attempt
Correct Answer

D. 8000

Explanation

Simple Explanation

\(20\times20\times20=8000\)। शून्य पर ध्यान दें। / \(20\times20\times20=8000\). Be careful with zeros.

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Question 33/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(27^2\) का मान क्या है?

What is the value of \(27^2\)?

Explanation opens after your attempt
Correct Answer

A. 729

Explanation

Simple Explanation

\(27\times27=729\)। वर्ग का अभ्यास करें। / \(27\times27=729\). Practice squares.

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Question 34/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(1^{25}\) का मान क्या है?

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

Explanation opens after your attempt
Correct Answer

A. 1

Explanation

Simple Explanation

1 की कोई भी घात 1 होती है। / Any power of 1 is 1.

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Question 35/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(6^4\) का मान क्या है?

What is the value of \(6^4\)?

Explanation opens after your attempt
Correct Answer

B. 1296

Explanation

Simple Explanation

\(6^4=1296\)। घात को चरणबद्ध निकालें। / \(6^4=1296\). Evaluate powers step by step.

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Question 36/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(21^3\) का मान क्या है?

What is the value of \(21^3\)?

Explanation opens after your attempt
Correct Answer

B. 9261

Explanation

Simple Explanation

\(21\times21\times21=9261\)। घन का मान निकालें। / \(21\times21\times21=9261\). Evaluate the cube.

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Question 37/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(28^2\) का मान क्या है?

What is the value of \(28^2\)?

Explanation opens after your attempt
Correct Answer

C. 784

Explanation

Simple Explanation

\(28\times28=784\)। गुणा सावधानी से करें। / \(28\times28=784\). Multiply carefully.

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Question 38/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(10^4\) का मान क्या है?

What is the value of \(10^4\)?

Explanation opens after your attempt
Correct Answer

C. 10000

Explanation

Simple Explanation

\(10^4=10000\)। 10 की घातें महत्वपूर्ण हैं। / \(10^4=10000\). Powers of 10 are important.

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Question 39/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(90^2\) का मान क्या है?

What is the value of \(90^2\)?

Explanation opens after your attempt
Correct Answer

D. 8100

Explanation

Simple Explanation

\(90\times90=8100\)। 9 का वर्ग लेकर दो शून्य जोड़ें। / \(90\times90=8100\). Square 9 and add two zeros.

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Question 40/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(22^3\) का मान क्या है?

What is the value of \(22^3\)?

Explanation opens after your attempt
Correct Answer

D. 10648

Explanation

Simple Explanation

\(22\times22\times22=10648\)। ध्यान से गुणा करें। / \(22\times22\times22=10648\). Multiply carefully.

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Question 41/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(29^2\) का मान क्या है?

What is the value of \(29^2\)?

Explanation opens after your attempt
Correct Answer

A. 841

Explanation

Simple Explanation

\(29\times29=841\)। वर्ग याद रखें। / \(29\times29=841\). Remember common squares.

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Question 42/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(7^4\) का मान क्या है?

What is the value of \(7^4\)?

Explanation opens after your attempt
Correct Answer

B. 2401

Explanation

Simple Explanation

\(7^4=2401\)। घातों का अभ्यास करें। / \(7^4=2401\). Practice powers.

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Question 43/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(5^1\times5^2\) का मान क्या है?

What is the value of \(5^1\times5^2\)?

Explanation opens after your attempt
Correct Answer

C. 125

Explanation

Simple Explanation

\(5^{1+2}=5^3=125\)। समान आधार पर घात जोड़ें। / \(5^{1+2}=5^3=125\). Add exponents for the same base.

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Question 44/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(100^2\) का मान क्या है?

What is the value of \(100^2\)?

Explanation opens after your attempt
Correct Answer

D. 10000

Explanation

Simple Explanation

\(100\times100=10000\)। 10 की घातों का उपयोग करें। / \(100\times100=10000\). Use powers of 10.

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Question 45/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(31^2\) का मान क्या है?

What is the value of \(31^2\)?

Explanation opens after your attempt
Correct Answer

A. 961

Explanation

Simple Explanation

\(31\times31=961\)। वर्ग का सही गुणन करें। / \(31\times31=961\). Multiply correctly.

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Question 46/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(9^4\) का मान क्या है?

What is the value of \(9^4\)?

Explanation opens after your attempt
Correct Answer

A. 6561

Explanation

Simple Explanation

हल: \(9^2=81\), \(9^3=729\)। इसलिए \(9^4=9^3\times9=729\times9=6561\)। वैकल्पिक रूप से \(9=(3^2)\) होने के कारण \(9^4=(3^2)^4=3^8=6561\)। गलत विकल्पों की व्याख्या: \(729\) वास्तव में \(9^3\) है, \(59049\) \(9^5\) का मान है, और \(5901\) गणितीय त्रुटि पर आधारित विकल्प है। परीक्षा सुझाव: घातों को लगातार गुणा करके या आधार का प्राथमिक गुणनखंड निकालकर (यहाँ \(9=3^2\)) जल्दी मान पता करें। / Solution: \(9^2=81\), \(9^3=729\). Thus \(9^4=9^3\times9=729\times9=6561\). Alternatively, since \(9=(3^2)\), \(9^4=(3^2)^4=3^8=6561\). Explanation of distractors: 729 is \(9^3\), 59049 equals \(9^5\), and 5901 is an arithmetic error. Exam tip: compute successive powers or convert the base to prime factors (e.g. \(9=3^2\)) to find higher powers quickly.

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Question 47/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(32^2\) का मान क्या है?

What is the value of \(32^2\)?

Explanation opens after your attempt
Correct Answer

C. 1024

Explanation

Simple Explanation

\(32\times32=1024\)। गुणा ध्यान से करें। / \(32\times32=1024\). Multiply carefully.

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Question 48/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(11^3\) का मान क्या है?

What is the value of \(11^3\)?

Explanation opens after your attempt
Correct Answer

D. 1331

Explanation

Simple Explanation

\(11\times11\times11=1331\)। घन का मान निकालें। / \(11\times11\times11=1331\). Evaluate the cube.

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Question 49/50 Easy Mathematics Number Systems Exponents Class 9 Level 8

\(33^2\) का मान क्या है?

What is the value of \(33^2\)?

Explanation opens after your attempt
Correct Answer

A. 1089

Explanation

Simple Explanation

\(33\times33=1089\)। वर्ग का अभ्यास करें। / \(33\times33=1089\). Practice squares.

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

\(12^3\) का मान क्या है?

What is the value of \(12^3\)?

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Correct Answer

B. 1728

Explanation

Simple Explanation

\(12\times12\times12=1728\)। घन निकालें। / \(12\times12\times12=1728\). Find the cube.

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