Question

If A and B work together can complete a work in 8/5 days. A started the work alone and completed. 50% of the work and left the work then B started the work alone and finished the rest of work. They took total 5 days to complete the work. Then in how many days B can complete the work if A is more efficient than A?
A. 1 Day
B. 2 Days
C. 3 Days
D. 4 Days

Answer 1

Answer:

2

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Answer 2

Answer:

Assume working days

A = x,

B = 2x,

C = 2y,

D = 3y

1/x+1/2x = 1/2y+1/3y

And 2x-2y = 16

Solving we get ,

x = 18 days.