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a watch gains 5 minutes every hour and
then loses 3 minutes every hour . if both the watch are
set at the correct time at 3 pm , after how may hours
would the two watches be showing the same time?

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Other Other Question

How many ways 3 letters word can be formed using word "MONOTONE" ? PS - Ans is not 8p3/(3! * 2!) one watch runs faster than it should . so , when it is a 6 am , i put the watch 10 minutes behind . at 5 pm ( true time) the same day , on checking the time i realize that the watch it is 12 minutes ahead of the actual time . at what time does the watch show the correct time?