Two pipes X and Y can fill a tank in 30 and 20 minutes respectively. Pipe X Opened for 4/5 part of the time (T) and pipe Y is opened for 1/5 part of the time. Here (T) is the total time taken by both pipes to fill the tank. Find the value of (T)?
1
300/11
2
400/11
3
315/11
4
310/11