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A clock is set right at 5 am. The clock loss 16 min in 24 h. What will be the right time when the clock indicates 10 Pm on the third day?
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- 11 : 15 pm
- 11 : 00 pm
- 12 : 00 pm
- 12 : 30 pm
Correct Option: B
Time from 5 am of a particular day to 10 pm on the 4th day is 89 h. Now, the clock loses 16 min in 24 h or on other words, we can say that 23 h 44 min of this clock is equal to 24 h of the correct clock. or (23 + 44/60)
⇒ 356 h of this clock = 24 h of the correct clock
∴ 89 h of this clock
= (24 x 15/356 x 89) h of correct clock
= 90 h of the correct clock
