R

Ruchi Sharma • 9.84K Points
Tutor III Math 

Q. A watch gains 5 seconds in 3 minutes and was set right at 8 AM. What time will it show at 10 PM on the same day ?

  • (A) 10 : 27 : 41 AM
  • (B) 8 : 51 : 04 AM
  • (C) 9 : 45 : 15 PM
  • (D) 10 : 23 : 20 PM
Correct Answer - Option(D)
Explanation by: Ruchi Sharma 
The watch gains 5 seconds in 3 minutes = 100 seconds in 1 hour.
From 8 AM to 10 PM on the same day, time passed is 14 hours.
In 14 hours, the watch would have gained 1400 seconds or 23 minutes 20 seconds.
So, when the correct time is 10 PM, the watch would show 10 : 23 : 20 PM

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