Question

a watch which gains uniformly was observed to be 4 minutes low at 6 a.m. on Monday on the subsequent Thursday at 7:00 p.m. it was noticed that the watch was 6 months fast when did the watch show the correct time​

Answer 1

Answer:

Answer: B) 2 p.m. on Wednesday

Explanation:

Time from 12 p.m. on Monday to 2 p.m. on the following Monday = 7 days 2 hours = 170 hours.

The Watch gains (2+445) min. or 345 min.in 170 hrs.

Now, 345min.are gained in 170 hrs.

2 min.are gained in(170*534*2) hrs=50 hrs

Watch is correct 2 days 2 hrs. after 12 p.m. on Monday i.e., it will be correct at 2 p.m. on Wednesday

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