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How much does a clock lose per day, if its hands coincide ever 65 minutes ?

How much does a clock lose per day, if its hands coincide ever 65 minutes ? Correct Answer 1425\/18 min

55 min. spaces are covered in 60 min.60 min. spaces are covered in ((60/55) x 60) min = 720/11 min.Loss in 65 min. = (720/11 - 65 ) = 5/11Loss in 24 hrs = (5/11 x 1/65 x 24 x 60)min = 1440/143 min.

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