Hard Mathematics Chapter 1: Real Numbers Class 10 Level 3

किसी संख्या को 42 से भाग देने पर शेषफल 41 है। उस संख्या में 85 जोड़ने पर 42 से भाग देने पर शेषफल क्या होगा?

A number leaves remainder 41 when divided by 42. What is the remainder when 85 is added to the number and the result is divided by 42?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

The original remainder is 41.

Step 2

Why this answer is correct

(85) leaves remainder 1 on division by 42, so total remainder (41+1=42), which becomes 0.

Step 3

Exam Tip

When adding a large number, first find its smaller remainder. चरण 1: मूल शेषफल 41 है। चरण 2: 85 को 42 से भाग देने पर शेषफल 1 है, इसलिए कुल शेषफल (41+1=42), जो 0 बनता है। चरण 3: बड़ी संख्या जोड़ने पर पहले उसका छोटा शेषफल निकालें।

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