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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: ?->(Show Answer!)
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1. 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:





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  • By: guest on 01 Jun 2017 05.46 pm
    Time from 7 a.m. to 4.15 p.m. = 9 hrs 15 min. = 37 hrs. 4 3 min. 5 sec. of this clock = 3 min. of the correct clock. 37 hrs of this clock = 1 hrs of the correct clock. 720 20 37 hrs of this clock = 1 x 720 x 37 hrs of the correct clock. 4 20 37 4       = 9 hrs of the correct clock. The correct time is 9 hrs after 7 a.m. i.e., 4 p.m.
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