there are two clocks, both set to show the correct time at 9:00 am. one clock loses 1 min every hour, another gains 1 min every hour.

1) when will they show the correct time?
2) by how many min do they differ at 10:00 pm on the same day?

Question

there are two clocks, both set to show the correct time at 9:00 am. one clock loses 1 min every hour, another gains 1 min every hour.

1) when will they show the correct time?
2) by how many min do they differ at 10:00 pm on the same day?

Himanshu Rai · Answer

1) digital clock- 720 hrs
     Analog clock- 360 hrs
2) every hour difference between two clocks becomes 2min/hr so in 13 hrs it will be (13x2=26)mins

there are two clocks, both set to show the correct time at 9:00 am. one clock loses 1 min every hour, another gains 1 min every hour. 1) when will they show the correct time? 2) by how many min do they differ at 10:00 pm on the same day?

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