Time from 8 am of a particular day to 1pm on the following day =29h Now, the clock gains 10 min in 24h, it means that 24 h 10 min of this clock is equal to 24h of the correct clock. ∴24+
10
60
=
145
6
h of this clock =24h of the correct clock. 29h of this clock =
24
145
×6×29 =28h,48min of correct clock It means that the clock is 12 min faster than the correct clock. Therefore, when clock indicates 1pm, the correct time will be 48min past 12 .