A, B and C together can complete a work in 25 days. If the ratio of efficiency of A, B and C is 15 ∶ 10 ∶ 6 respectively, then in how many days C alone can complete the same work?

A, B and C together can complete a work in 25 days. If the ratio of ef

1.	A, B and C together can complete a work in 25 days. If the ratio of efficiency of A, B and C is 15 ∶ 10 ∶ 6 respectively, then in how many days C alone can complete the same work?
A.	727/6
B.	725/6
C.	775/6
D.	745/6
Answer» D. 745/6

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A, B and C together can complete a work in 25 days. If the ratio of efficiency of A, B and C is 15 ∶ 10 ∶ 6 respectively, then in how many days C alone can complete the same work?

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