Comprehension Passage
Direction: Read the following information and answer the questions given below:
The line graph shown the time taken by five pipes A, B, C, D, E to fill a tank 'X' alone respectively. The efficiency of all the pipes is the same every time.
If pipes B, C and D started to fill the tank 'X' together, but after 4 hours pipe D was closed and again after 2 more hours pipe B and pipe C also closed. If the remaining tank filled by pipe A in T hours, then find the value of T.
1
16.66 hours
2
26.5 hours
3
36 hours
4
16.5 hours
5
None of these