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?  Choose the correct choice from the following answers.
A) 4pm  B) 3pm  C) 5pm  D) 6pm  E) 7pm
Time from 7 am to 4.15 pm = 9 hrs 15 min = hrs   3 min. 5 sec. of this clock = 3 min. of the correct clock.   Now 3min.5sec. is hrs of this clock = 3 min.is hrs of the correct clock   hrs of clock = hrs of the correct clock.   = 9 hrs of the correct clock.   The correct time is 9 hrs after 7 am. i.e., 4 pm.   4pmnswer: 4pm
<result>A</result>
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?