Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.
How much does a watch gain or lose per day, if its hands coincide every 64 minutes?
55 min. spaces are covered in 60 min. 60 min. spaces are covered in (60/55 × 60) min = 65 5/11 min Loss in 64 min = (65 5/11 - 64) = 16/11 min Loss in 24 hrs= (16/11 × 1/64 × 24 × 60) min = 32 (8/11) min.