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