A pipe can fill a tank in 20 min and another pipe can fill a tank in 30 min. Pipe A is opened for half of the taime and pipe A and B are opened for the other half. How long will it take to fill the tank?

A pipe can fill a tank in 20 min and another pipe can fill a tank in 30 min. Pipe A is opened for half of the time and pipe A and B are opened for the other half. How long will it take to fill the tank?

A pipe can fill a tank in 30 minutes. Another pipe can empty that tank in 40 minutes. It both are opened alternatively. How larg will it take to fill the tank?

A pipe can fill a tank in 12 minutes. Another pipe can empty a tank in 20 minutes. They are opened in alternate minutes, How long will it take to fill the tank?

A pipe can fill a tank in 20 min. Another pipe can empty that tank in 25 min. If both are opened atternatively then the tank will be filled in?

Two pipes A and B can fill a tank in 12 minutes and 18 minutes respectively. If both the pipes are opened simultaneously, how long will they take to fill the tank ?

Pipe A can fill a tank in 20 minutes and Pipe B can empty the same tank in 30 minutes. Find the time taken to fill the empty tank if both pipes are opened together

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 pipe can fill a tank in 20 min and auother pipe can fill in 30 min. After retrning, a man noticed that The tank did not filled due to a leakage. If he repaired That leakage than the tank was filled in 3 minutes. In how much time will that leakage be emptied that tank?

A pipe can fill a tank in 5 h, while another pipe can empty it in 6 h. If both the pipes are opened simultaneously, how much time will be taken to fill the tank?