A alone can doÂ a work in 20 days. B is 125% more efficient than A. A and B startedÂ working and worked for 4 days. If C alone completed the remaining job in 22 days.Â How many days C alone takes to complete the entire job?

A alone can doÂ a work in 20 days. B is 125% more efficient than A.

1.	A alone can doÂ a work in 20 days. B is 125% more efficient than A. A and B startedÂ working and worked for 4 days. If C alone completed the remaining job in 22 days.Â How many days C alone takes to complete the entire job?
A.	30
B.	35
C.	40
D.	42
Answer» D. 42

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A alone can doÂ a work in 20 days. B is 125% more efficient than A. A and B startedÂ working and worked for 4 days. If C alone completed the remaining job in 22 days.Â How many days C alone takes to complete the entire job?

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