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A watch which gains 5 secons in 3 min was set righr at 7
am . in the afternoon of the same day, when the watch
indicated quater past 4'0 clock the true time is (*** plz
give the explanation**)
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Answer Posted / vivek
the answer is 4:00 pm.
7 am to 4:15 PM is 9hrs and 15 mins.
3mins = 180 sec
after 3 mins watch shows 3min 5 sec i.e. 185 secs.
gain 5 sec in 185 sec
then in 555*60 sec =( 5/185)*555*60 =900sec=15min
so subtract 15 min from 4:15 the right answer is 4:00pm
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