A tap can fill a lank in 50 minutes. If the tank has a leakage which alone is capable of emptying the tank in 2 hours, the tank will now be filled in ……….
A. 1 hour
B. 1 hour 15 mins
C. 1 hour 25 mins
D. 1 hour 30 mins
Answer:B
A tap can fill a lank in 50 minutes. If the tank has a leakage which alone is capable of emptying the tank in 2 hours, the tank will now be filled in ……….
A. 1 hour B. 1 hour 15 mins C. 1 hour 25 mins D. 1 hour 30 mins