Comprehension Passage
Direction: Go through the graph and table given below and answer the question based on it.
“A cistern is connected with eight pipes where P, Q, R and S are inlet pipes and W, X, Y and Z is outlet pipes. The graph given below depicts the time taken by the pipes individually to fill or empty the tank.”
Note: The time is given in minutes
An inlet pipe A is installed having efficiency two times of Q and another outlet pipe B is installed having efficiency 3/2 times of X. Initially the cistern is full and pipe B and W are open for two minutes and closed then pipe A is open to fill the emptied part of tank. Find the time taken by A to fill the tank?
1
2.75 minutes
2
2.56 minutes
3
2.57 minutes
4
2.17 minutes
5
1.56 minutes