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value calculation MCQ Questions for Class 10

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Practice Questions

1 questions tagged with value calculation.

Question 1/1 Expert Mathematics Chapter 1: Real Numbers 3: Prime factorisation Class 10 Level 7

किस संख्या का अभाज्य गुणनखंड रूप \(2^2\times3\times7^2\) है?

Which number has the prime factorisation \(2^2\times3\times7^2\)?

Explanation opens after your attempt
Correct Answer

A. (588)

Step 1

Concept

Multiply the prime factors according to their powers.

Step 2

Why this answer is correct

\(2^2=4\) and \(7^2=49\), so \(4\times3\times49=588\).

Step 3

Exam Tip

First evaluate powers, then multiply carefully. चरण 1: अभाज्य गुणनखंडों को उनकी घात के अनुसार गुणा करें। चरण 2: \(2^2=4\), \(7^2=49\), इसलिए \(4\times3\times49=588\)। चरण 3: पहले घातों का मान निकालें, फिर धीरे-धीरे गुणा करें।

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