Wipro Company Numerical Ability Permutation and Combination

a watch ,which gains uniformly is 2min.show at noon on monday,and is 4min.48 seconds
fast at 2pm.on the follwing monday.when was it correct?
a)2 days 6hrs b)2 days 2 hrs c)3days 1hr d)3days 6hrs

Read Solution (Total 2)

from Monday noon to the following monday at 2:00 pm total no. of hour=7 day +2 hour
=(7*24+2)=170 hour
in this period watch gains 2 min + 4 min 48 sec=6(4/5)min
watch gains 6(4/5)min in 170 hrs
watch gains 2min in (170/34)*5*2 hrs
means 2 day and 2 hour
12 years agoHelpfull: Yes(7) No(1)

2 days n 2 hour
12 years agoHelpfull: Yes(1) No(0)

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