A clock is set right at 5 a.m. The clock loses 16 minutes in 24 hours. What will be the true time when the clock indicates 10 p.m. on 4th day? Pick one
A) 8 p.m	B) 9 p.m	C) 10 p.m.	D) 11 p.m	E) None
Sol.   Time from 5 a.m. on a day to 10 p.m. on 4th day = 89 hours.   Now 23 hrs 44 min. of this clock = 24 hours of correct clock.   ∴ 356/15 hrs of this clock = 24 hours of correct clock.   = 90 hrs of correct clock.   So, the correct time is 11 p.m.   Answer 11 p.m
<result>D</result>
A clock is set right at 5 a.m. The clock loses 16 minutes in 24 hours. What will be the true time when the clock indicates 10 p.m. on 4th day?