\( 58\times42 \) का मान ( (50+8)(50-8) ) से क्या होगा?

What is the value of \( 58\times42 \) using ( (50+8)(50-8) )?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (2436)

Step 1

Concept

\(50^2-8^2=2500-64=2436\). Exam tip: identify the common centre (50).

Step 2

Why this answer is correct

The correct answer is A. (2436). \(50^2-8^2=2500-64=2436\). Exam tip: identify the common centre (50).

Step 3

Exam Tip

\(50^2-8^2=2500-64=2436\)। परीक्षा में समान केंद्र (50) पहचानें।

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Mathematics Answer, Explanation and Revision Hints

\( 58\times42 \) का मान ( (50+8)(50-8) ) से क्या होगा? / What is the value of \( 58\times42 \) using ( (50+8)(50-8) )?

Correct Answer: A. (2436). Explanation: \(50^2-8^2=2500-64=2436\)। परीक्षा में समान केंद्र (50) पहचानें। / \(50^2-8^2=2500-64=2436\). Exam tip: identify the common centre (50).

Which concept should I revise for this Mathematics MCQ?

\(50^2-8^2=2500-64=2436\). Exam tip: identify the common centre (50).

What exam hint can help solve this Mathematics question?

\(50^2-8^2=2500-64=2436\)। परीक्षा में समान केंद्र (50) पहचानें।