किस संख्या का अभाज्य गुणनखंडन \(3^4\times5^2\times7^2\) है?

Which number has prime factorisation \(3^4\times5^2\times7^2\)?

Explanation opens after your attempt
Correct Answer

A. 99225

Step 1

Concept

Calculate \(3^4=81\), \(5^2=25\), and \(7^2=49\).

Step 2

Why this answer is correct

\(81\times25\times49=99225\).

Step 3

Exam Tip

Do not skip square powers in a hurry. चरण 1: \(3^4=81\), \(5^2=25\) और \(7^2=49\) निकालें। चरण 2: \(81\times25\times49=99225\)। चरण 3: वर्ग घातों को जल्दबाजी में न छोड़ें।

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Mathematics Answer, Explanation and Revision Hints

किस संख्या का अभाज्य गुणनखंडन \(3^4\times5^2\times7^2\) है? / Which number has prime factorisation \(3^4\times5^2\times7^2\)?

Correct Answer: A. 99225. Explanation: चरण 1: \(3^4=81\), \(5^2=25\) और \(7^2=49\) निकालें। चरण 2: \(81\times25\times49=99225\)। चरण 3: वर्ग घातों को जल्दबाजी में न छोड़ें। / Step 1: Calculate \(3^4=81\), \(5^2=25\), and \(7^2=49\). Step 2: \(81\times25\times49=99225\). Step 3: Do not skip square powers in a hurry.

Which concept should I revise for this Mathematics MCQ?

Calculate \(3^4=81\), \(5^2=25\), and \(7^2=49\).

What exam hint can help solve this Mathematics question?

Do not skip square powers in a hurry. चरण 1: \(3^4=81\), \(5^2=25\) और \(7^2=49\) निकालें। चरण 2: \(81\times25\times49=99225\)। चरण 3: वर्ग घातों को जल्दबाजी में न छोड़ें।