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Two clocks are set right at 6:10 pm on Saturday. The first clock loses 2 minutes per hour, whereas, the second clock gains twice as much as the first one loses per hour. What is the difference between the times shown by the clocks at 12:00 noon the next day?

A.	137 minutes	B.	90 minutes
C.	140 minutes	D.	107 minutes

Answer and Explanation

Answer:107 minutes

Explanation:
First clock loses 2 minutes per hour, the second clock gains 4 minutes. SO difference in timings of two clocks is 6 minutes per each hour after 6:10 pm. Now from 6:10 pm Saturday to 12:00 noon next day is a period of 1070/60. So required difference in timings of two clocks is 6*1070/60

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