A can do the work in 8 days and B is 4/5 of the efficiency of A. If C is 50% of the efficiency of B, then find the time taken by A, B and C together to complete the work?
1
20 days
2
40/11 days
3
4/11 days
4
11/4 days
5
Answer not known
A can do the work in 8 days and B is 4/5 of the efficiency of A. If C is 50% of the efficiency of B, then find the time taken by A, B and C together to complete the work?