Question:
A tank can be filled with water by two pipes A and B together in 36 minutes, the tank is filled in 40 minutes. The pipe B can alone fill the tank in -
75 minutes | |
90 munutes | |
60 munutes | |
45 munutes | |
45 munutes |
Answer:
90 munutes
Last Updated:
14/11/2021 - 22:29