Comprehension Passage
There are five inlet pipes (A, B, C, D and E) and five outlet pipes (P, Q, R, S and T) connected to a tank. The first pie - chart represents the percentage of the tank filled by each inlet pipe when all the inlet pipes are opened together and the second pie - chart represents the percentage of the tank emptied by each outlet pipe when all the outlet pipes are opened together.
Total capacity of the tank = 1000 litres
Time taken to fill the tank when all the inlet pipes are opened together = 2 minutes
Time taken to empty the tank when all the outlet pipes are opened together = 1.6 minutes
The time taken by pipes B and C together to fill the tank is approximately how many minutes more than the time taken by pipes A, D and E together?
1
3.5 minutes
2
1.67 minutes
3
2.89 minutes
4
4.2 minutes