A is thrice as efficient as B and is, therefore, able to finish a piece of work 10 days earlier than B. In how many days A and B will finish it together?

A is thrice as efficient as B and is, therefore, able to finish a p

1.	A is thrice as efficient as B and is, therefore, able to finish a piece of work 10 days earlier than B. In how many days A and B will finish it together?
A.	3 1/2 days
B.	3 4/5 days
C.	3 days
D.	5 days
Answer» E.

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A is thrice as efficient as B and is, therefore, able to finish a piece of work 10 days earlier than B. In how many days A and B will finish it together?

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