Hard Mathematics Chapter 1: Real Numbers Class 10 Level 2

किसी संख्या को 13 से भाग देने पर शेषफल 8 है। उसी संख्या के वर्ग को 13 से भाग देने पर शेषफल क्या होगा?

A number leaves remainder 8 when divided by 13. What is the remainder when its square is divided by 13?

Explanation opens after your attempt
Correct Answer

C. 12

Step 1

Concept

For the square, take \(8^2=64\).

Step 2

Why this answer is correct

\(64=13\times4+12\), so the remainder is 12.

Step 3

Exam Tip

Do not write 64 as the final answer because a remainder must be smaller than the divisor. चरण 1: वर्ग के लिए \(8^2=64\) लें। चरण 2: \(64=13\times4+12\), इसलिए शेषफल 12 है। चरण 3: अंतिम उत्तर में 64 नहीं लिखें, क्योंकि शेषफल भाजक से छोटा होना चाहिए।

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What is the correct answer to this Mathematics MCQ?

The correct answer is C. 12.

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