Question

How much does a watch loss per day, if its hands coincide every 60 minutes?

A 112 9/11 minutes Correct Answer Incorrect Answer
B 130 10/11 minutes Correct Answer Incorrect Answer
C 118 8/11 minutes Correct Answer Incorrect Answer
D 105 7/11 minutes Correct Answer Incorrect Answer

Solution

55 minutes spaces are covered in 60 minutes. 60 minutes spaces are covered in [(60× 60)/55] = 65 5/11 minutes Loss in 60 minutes (65 5/11 - 60) minutes = 5 5/11 minutes or 60/11 minutes Loss in 24 hours = 60/11× 1/60× 24× 60 = 1440/11 or 130 10/11 minutes.

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