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At 10:00 am on Wednesday, the clock was 10 minutes faster than the actual time. On coming Saturday at 01:00 pm, the clock was 15 minutes slower than the actual time. At what time the clock shows the correct time?

At 10:00 am on Wednesday, the clock was 10 minutes faster than the actual time. On coming Saturday at 01:00 pm, the clock was 15 minutes slower than the actual time. At what time the clock shows the correct time? Correct Answer 04:00 pm Thursday

Total change in time from 10:00 am Wednesday to 01:00 pm Saturday is 25 minutes.

Total hours from 10:00 am Wednesday to 01:00 pm Saturday is 75 hours.

To show the correct time, clock has to get slower by 10 minutes from 10:00 am Wednesday onwards.

Since for 75 hours, change in time is 25 minutes. Therefore for change in 10 minutes, number of hours required is = 10 × 75/25 = 30 hours.

Hence, the clock shows correct time at 10:00 am Wednesday + 30 hours = 04:00 pm Thursday.

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