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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 / srivatsan
The answer is 3:59:35 PM.
7 am to 4:15 PM is 9hrs and 15 mins.
Given:
gains 5 secs in 3 mins
so 100 secs in 60 mins
so 925 secs in 9 hours and 15 mins
So at 4:15 subtract 925 secs or 15 mins and 25 secs.
So it will be 3:59:35
| Is This Answer Correct ? | 24 Yes | 7 No |
Answer / 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
| Is This Answer Correct ? | 11 Yes | 2 No |
Answer / vinay
555 min in 9 hours & 15 mins from 7am to 4.15pm. 555/3=185.
means 3mins repeated 185 times. making 5 seconds defects
185 times.
Hence 185*5=925 seconds.
925/60=15.42 mins
Therefore, the correct time is 4:30:42 PM.
| Is This Answer Correct ? | 4 Yes | 15 No |
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