SSC CPO 2 July 2017 Shift 1 Paper

Question : 106 of 200

Marks: +1, -0

Two taps A and B can fill a tank in 10 hours and 12 hours respectively. If two taps are opened at 10 a.m., then at what time (in p.m.) should the tap A be closed to completely fill the tank at exactly 4 pm.