A clock is set right at 8 a.m. The clock gains 10 minutes in 24 hours will be the true time when the clock indicates 1 p.m. on the following day?
38 min. past 12.
40 min. past 12.
48 min. past 12.
50 min. past 12.
Correct Answer :
C. 48 min. past 12.
Time from 8 a.m. on a day 1 p.m. on the following day = 29 hours.
24 hours 10 min. of this clock = 24 hours of the correct clock.
145 /6 hrs of this clock = 24 hrs of the correct clock
29 hrs of this clock = (24 x 6/145 x 29) hrs of the correct clock
= 28 hrs 48 min. of correct clock
The correct time is 28 hrs 48 min. after 8 a.m.
This is 48 min. past 12.
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