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Two clocks were set right at noon on Sun...

Two clocks were set right at noon on Sunday. One gains 2 minutes and the other loses 3 minutes in 24 hours. What will be the true time when the first clock indicates 3pm on Wednesday?
रविवार को दोपहर में दो घड़ियां ठीक की गईं। एक को 2 मिनट का लाभ होता है और दूसरे को 24 घंटे में 3 मिनट का नुकसान होता है। सही समय क्या होगा जब पहली घड़ी बुधवार को दोपहर 3 बजे इंगित करेगी?

A

2:38pm

B

2:54pm

C

2:23pm

D

2:48pm

Text Solution

Verified by Experts

The correct Answer is:
B

Time from noon on Sunday to 3 pm on Wednesday =75 hours. 24 hours 2 minutes of the first clock
=24 hours of the correct one or, 1 hour of the first clock
`=24xx(30/721)` hours correct one or, 75 hours of the first clock `=24xx30xx(75/721)`
hours correct one `=54000/72` hours `=74 hours 53.7 minutes.
Hence the true time will be 53.75 minutes past 2 pm.
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