Both the clocks are set at 6 A.M.
First clock gains 30 seconds in every hour.
Since, 1 second = <em> </em>minutes
Therefore, 30 seconds = minutes
= 0.5 minutes
That means first clocks gains 0.5 minutes in every hour.
Since, second clock loses 1 minute every hour.
Therefore, difference in both the clocks in every hour = 1 + 0.5
= 1.5 minutes
Difference of 30 minutes will be in the duration = hours
= 20 hours
First clock will be 30 minutes ahead of the second clock in 20 hours.
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