Hard Mathematics Chapter 1: Real Numbers Class 10 Level 9

यदि संख्या \(2^5\times3^7\times5^4\times13^2\) है, तो इसे पूर्ण घन बनाने के लिए सबसे छोटी किस संख्या से गुणा करना होगा?

If the number is \(2^5\times3^7\times5^4\times13^2\), by which smallest number should it be multiplied to make a perfect cube?

Explanation opens after your attempt
Correct Answer

A. \(2\times3^2\times5^2\times13\)

Step 1

Concept

In a perfect cube, every exponent must be a multiple of 3.

Step 2

Why this answer is correct

Powers 5, 7, 4, and 2 must become 6, 9, 6, and 3.

Step 3

Exam Tip

The smallest multiplier is \(2\times3^2\times5^2\times13\). चरण 1: पूर्ण घन में हर घात 3 का गुणज होनी चाहिए। चरण 2: 5 को 6, 7 को 9, 4 को 6 और 2 को 3 बनाना होगा। चरण 3: सबसे छोटा गुणक \(2\times3^2\times5^2\times13\) है।

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What is the correct answer to this Mathematics MCQ?

The correct answer is A. \(2\times3^2\times5^2\times13\).

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