?
A takes 4 times as much time as B or 5 times as much time as C to finish a piece of work. Working together, they can finish the work in 4 days. B can do the work alone in:
Answer & Solution
Correct Answer:
Option
A
Efficiency of A : B : C = 1 : 4 : 5
Total work = 4(A + B + C) = 4 × 10 = 40
B can do alone work in = $$\frac{{40}}{4}$$ = 10 days
Total work = 4(A + B + C) = 4 × 10 = 40
B can do alone work in = $$\frac{{40}}{4}$$ = 10 days
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