Concept-wise Practice

real number operations MCQ Questions for Class 10

real number operations se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

6 questions tagged with real number operations.

\(6^2+3^3\) का मान क्या है?

What is the value of \(6^2+3^3\)?

Explanation opens after your attempt
Correct Answer

A. (63)

Step 1

Concept

Find powers first: \(6^2=36\) and \(3^3=27\). Hence (36+27=63).

Step 2

Why this answer is correct

The correct answer is A. (63). Find powers first: \(6^2=36\) and \(3^3=27\). Hence (36+27=63).

Step 3

Exam Tip

पहले घात निकालें \(6^2=36\) और \(3^3=27\)। इसलिए (36+27=63) है।

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\(5^2+2^3\) का मान क्या है?

What is the value of \(5^2+2^3\)?

Explanation opens after your attempt
Correct Answer

C. (33)

Step 1

Concept

Find powers first: \(5^2=25\) and \(2^3=8\). Hence (25+8=33).

Step 2

Why this answer is correct

The correct answer is C. (33). Find powers first: \(5^2=25\) and \(2^3=8\). Hence (25+8=33).

Step 3

Exam Tip

पहले घात निकालें \(5^2=25\) और \(2^3=8\)। इसलिए (25+8=33) है।

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\(12-3\cdot2\) का मान क्या है?

What is the value of \(12-3\cdot2\)?

Explanation opens after your attempt
Correct Answer

C. (6)

Step 1

Concept

Multiply first: \(3\cdot2=6\), then (12-6=6). It is important to follow the order of operations.

Step 2

Why this answer is correct

The correct answer is C. (6). Multiply first: \(3\cdot2=6\), then (12-6=6). It is important to follow the order of operations.

Step 3

Exam Tip

पहले गुणा करें \(3\cdot2=6\), फिर (12-6=6)। क्रम नियम का ध्यान रखना जरूरी है।

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\(\frac{2}{3}+\frac{1}{6}\) का मान क्या है?

What is the value of \(\frac{2}{3}+\frac{1}{6}\)?

Explanation opens after your attempt
Correct Answer

B. \(\frac{5}{6}\)

Step 1

Concept

Using common denominator (6), \(\frac{2}{3}=\frac{4}{6}\). Hence \(\frac{4}{6}+\frac{1}{6}=\frac{5}{6}\).

Step 2

Why this answer is correct

The correct answer is B. \(\frac{5}{6}\). Using common denominator (6), \(\frac{2}{3}=\frac{4}{6}\). Hence \(\frac{4}{6}+\frac{1}{6}=\frac{5}{6}\).

Step 3

Exam Tip

समान हर (6) लेने पर \(\frac{2}{3}=\frac{4}{6}\) होता है। इसलिए \(\frac{4}{6}+\frac{1}{6}=\frac{5}{6}\) है।

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(0.5+0.25) का मान क्या है?

What is the value of (0.5+0.25)?

Explanation opens after your attempt
Correct Answer

C. (0.75)

Step 1

Concept

Adding decimals gives (0.5+0.25=0.75). Align decimal places correctly before adding.

Step 2

Why this answer is correct

The correct answer is C. (0.75). Adding decimals gives (0.5+0.25=0.75). Align decimal places correctly before adding.

Step 3

Exam Tip

दशमलव जोड़ने पर (0.5+0.25=0.75) होता है। दशमलव स्थान ठीक से मिलाकर जोड़ें।

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\(3^2+4^2\) का मान क्या है?

What is the value of \(3^2+4^2\)?

Explanation opens after your attempt
Correct Answer

B. (25)

Step 1

Concept

Find powers first: \(3^2=9\) and \(4^2=16\). Thus (9+16=25).

Step 2

Why this answer is correct

The correct answer is B. (25). Find powers first: \(3^2=9\) and \(4^2=16\). Thus (9+16=25).

Step 3

Exam Tip

पहले घात निकालें \(3^2=9\) और \(4^2=16\)। इसलिए (9+16=25) है।

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AI Video Prompt 16:9 + 9:16

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