Question

Rahul, who was wearing a wrist watch with a 24-hours display, left his house
when the watch showed A hours B minutes and returned when it showed B hours
A minutes on the same day. If he was away from his house for C hours and D
minutes. How many values are possible for C?​

Answer 1

Answer:

Answer

As a watch loses 3 minutes in 4 hours, so it will loose 18 minutes per day.

To show the correct time it has to loose 24 hours so that the time will be of 1 day before i.e. 24 hours and it will be the same.

Means watch has to loose 1440 minutes which when divided by 18 gives 80 days.

Hence, after 80 days it will show the correct time as 12 noon.