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A clock, which loses uniformly is 15 min...

A clock, which loses uniformly is 15 minutes fast at 9 am on 3rd of the December and is 25 minutes less than the correct time at 3 pm on 6th of the same month. At what time it was correct ?

A

2.15 am on 3rd

B

2.15 pm on 4th

C

2.15 pm on 3rd

D

2.15 am on 4th

Text Solution

Verified by Experts

The correct Answer is:
B
According to the question,
Total time from 9 am on 3rd of the December to 3 pm on 6th of the December = 3 days 6 hours
`" "=78` hours.

Also, the clock loses in 78 hours = (15 + 25) = 40 minutes.
So, the clock loses 15 minutes in `=15/40 times 78`
`" "`= 29 hours 15 minutes.
Therefore, the clock is correct after 29 hours 15 minutes from 9 am on 3rd December = 2.15 pm on 4th December.
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