यदि \(15^2-5^2\) को आयत में बदला जाए, तो क्षेत्र कितना होगा?

If \(15^2-5^2\) is changed into a rectangle, what will be the area?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. \(200\)

Step 1

Concept

\(15^2-5^2=(15+5)(15-5)=20\times10=200\). Exam tip: calculate quickly using difference of squares.

Step 2

Why this answer is correct

The correct answer is C. \(200\). \(15^2-5^2=(15+5)(15-5)=20\times10=200\). Exam tip: calculate quickly using difference of squares.

Step 3

Exam Tip

\(15^2-5^2=(15+5)(15-5)=20\times10=200\) है। परीक्षा में अंतर के वर्गों से तेज गणना करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(15^2-5^2\) को आयत में बदला जाए, तो क्षेत्र कितना होगा? / If \(15^2-5^2\) is changed into a rectangle, what will be the area?

Correct Answer: C. \(200\). Explanation: \(15^2-5^2=(15+5)(15-5)=20\times10=200\) है। परीक्षा में अंतर के वर्गों से तेज गणना करें। / \(15^2-5^2=(15+5)(15-5)=20\times10=200\). Exam tip: calculate quickly using difference of squares.

Which concept should I revise for this Mathematics MCQ?

\(15^2-5^2=(15+5)(15-5)=20\times10=200\). Exam tip: calculate quickly using difference of squares.

What exam hint can help solve this Mathematics question?

\(15^2-5^2=(15+5)(15-5)=20\times10=200\) है। परीक्षा में अंतर के वर्गों से तेज गणना करें।