A tap can fill a tank in 16 minutes and another can empty it in8 minutes. If the tank is already half full and both the tanks are oped together, the tank will be:
A. filled in 12 min
B. filled in 8 min
C. emptied in 12 min
D. emptied in 8 min
Answer:D
A tap can fill a tank in 16 minutes and another can empty it in8 minutes. If the tank is already half full and both the tanks are oped together, the tank will be:
A. filled in 12 min B. filled in 8 min C. emptied in 12 min D. emptied in 8 min
Explanation: Rate of waste pipe being more, the tank will be emptied when both the pipes are opened.