Hard Mathematics Chapter 1: Real Numbers Class 10 Level 3

यदि किसी संख्या को 28 से भाग देने पर शेषफल 27 है, तो उसकी तिगुनी संख्या को 28 से भाग देने पर शेषफल क्या होगा?

If a number leaves remainder 27 when divided by 28, what remainder will three times the number leave when divided by 28?

Explanation opens after your attempt
Correct Answer

A. 25

Step 1

Concept

For three times the number, the remainder part is \(3\times27=81\).

Step 2

Why this answer is correct

\(81=28\times2+25\), so the final remainder is 25.

Step 3

Exam Tip

After multiplication, reduce the remainder below the divisor. चरण 1: तिगुनी संख्या के लिए शेषफल \(3\times27=81\) होगा। चरण 2: \(81=28\times2+25\), इसलिए अंतिम शेषफल 25 है। चरण 3: गुणा के बाद मिले शेषफल को भाजक से छोटा करना जरूरी है।

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The correct answer is A. 25.

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