A tap p can empty the tank in `12` minutes alone and in `8` minutes along with tap q so how much time will it take to empty the tank by tap `q` only

A water tank is 2/5 th full. Pipe A can fill the tank in 10 minutes and pipe 8 can empty it in 6 minutes . If both the pipe are opened , how long will it take to empty or fill the tank completely ?

A and B are two taps which can fill a tank individually in 10 minutes and 20 minutes respectively. However, there is a leakage at the bottom, which can empty a filled tank in 40 minutes. If the tank is empty initially, how much time will both the taps take to fill the tank with leakage ?

An empty tank can be filled by two pipes individually in 30 minutes and 60 minutes respectively. There is also a pipe which can empty the full tank in 45 minutes.If all the three pipes are open,how much time does it take to fill the empty tank ?

An empty tank can be filled by two pipes individually in 30 minutes and 60 minutes respectively. There is also a pipe which can empty the full tank in 45 minutes.If all the three pipes are open,how much time does it take to fill the empty tank ?

A pipe can fill a tank in 12 minutes. Another pipe can empty that tank in 30 minutes. If they are opened alternatively. How much time will they take to fill that tanke?

A tap can empty a tank in 30 minutes. A second tap can empty it in 45 minutes. If both the taps operate simultaneously, how muchh time is needed to empty the tank?

There are two taps A and B to fill up a water tank. The tank can be filled In 40 minutes if both taps are on. The same tank can be filled in 60 minutes if tap A alone is on. How much time will tap B alone take to fill up the same tank ?