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number-75 MCQ Questions for Class 10

number-75 se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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2 questions tagged with number-75.

Question 1/2 Easy Mathematics Real Numbers Prime factorisation Class 10 Level 7

किस संख्या का अभाज्य गुणनखंडन \(3\times5^2\) है?

Which number has prime factorisation \(3\times5^2\)?

Explanation opens after your attempt
Correct Answer

A. 75

Step 1

Concept

Calculate \(5^2=25\).

Step 2

Why this answer is correct

\(3\times25=75\).

Step 3

Exam Tip

Simplify the power first and then multiply. चरण 1: \(5^2=25\) निकालें। चरण 2: \(3\times25=75\)। चरण 3: घात को पहले सरल करें, फिर गुणा करें।

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Question 2/2 Easy Mathematics Real Numbers Prime factorisation Class 10 Level 7

संख्या 75 का अभाज्य गुणनखंडन कौन सा है?

Which is the prime factorisation of 75?

Explanation opens after your attempt
Correct Answer

A. \(3\times5^2\)

Step 1

Concept

Write \(75=3\times25\).

Step 2

Why this answer is correct

Since \(25=5^2\), \(75=3\times5^2\).

Step 3

Exam Tip

25 is composite, so write \(5^2\) in the final form. चरण 1: \(75=3\times25\) लिखें। चरण 2: \(25=5^2\), इसलिए \(75=3\times5^2\)। चरण 3: 25 संयुक्त है, इसलिए अंतिम रूप में \(5^2\) लिखें।

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