A tap can fill a tank in 48 minutes, where as another tap can empty it in 2 hours. If both the taps are opened at 11:40 am then the tank will be filled atA12:40 PMB1:30 PMC1:00 PMD1:20 PMAnswer: C. 1:00 PM Read Explanation: xy/(y-x) = (48x120)/(120-48) x=48 = (48 x 120)/72 y=2 hr. =80 =120 minutes 11:40+80 minutes=1:00 pmRead more in App