Pipe L can empty the tank which is 45% filled in 9 hours. The time taken by pipe K and J together to fill an empty tank completely in 7.5 hours. Pipe J ...
Two pipes, A and B, can fill a tank in 12 hours and 15 hours, respectively. Pipe A is open for 6 hours and then pipe B is also opened. After how much ti...
There are four pipes A, B, C and D where A and B are used to fill the tank and C and D are used to empty the tank. Pipe A and C together can fill the ta...
There was a leakage in the petrol tank. If 5litre of petrol is leaked out per day then it would have lasted for 30 days. If the leakage was 7litre per d...
Pipe A and B can fill the pool in 35 minutes and 10 minutes, respectively. Pipe C can empty half filled pool in 35 minutes. If all the pipes are opened ...
There was the leakage in the Oil tanker. If 20 litre of oil is leaked out per day then it would have lasted for 50 days and if the leakage was 32 litre ...
Pipe X can empty a completely filled tank in 60 hours. Pipe Y and X together can fill an empty tank completely in (z+6) hours. The efficiency of pipe Y ...
Two pipes can alone independently fill a bucket in 10 and 12 minutes. Both are opened together for 3 minutes after which the second pipe is turned off. ...
Pipe ‘A’ can fill a tank in 25 hours whereas leak ‘A’ can empty it in 30 hours. If they both operate along with pipe ‘B’, then the given tan...
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 18 minutes and 16 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...