A watch which gains 5 seconds in 3 minutes was set right at 7 a.m. In the afternoon of the same day, when the watch indicated quarter past 4 o'clock, the true time is:

Question

Time from 7 a.m. to 4.15 p.m. = 9 hrs 15 min. =37hrs.43 min. 5 sec. of this clock = 3 min. of the correct clock.37hrs of this clock =1hrs of the correct clock.7202037hrs of this clock =1x720x37hrs of the correct clock.420374= 9 hrs of the correct clock.The correct time is 9 hrs after 7 a.m.i.e.,4 p.m.

Accepted Answer

597min. past 312

Answer

4 p.m.

Answer

587min. past 311

Answer

23min. past 411

Question 202: A watch which gains 5 seconds in 3 minutes was set right at 7 a.m. In the afternoon of the same day, when the watch indicated quarter past 4 o'clock, the true time is: