A and B can do a job together in 7 days. A is 1(3/4) times as efficient as B. The same job can be done by A alone in :

A and B can do a job together in 7 days. A is 1(3/4) times as efficien

1.	A and B can do a job together in 7 days. A is 1(3/4) times as efficient as B. The same job can be done by A alone in :
A.	9(1/3) days
B.	11 days
C.	12(1/4) days
D.	16(1/3) days
Answer» C. 12(1/4) days

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A and B can do a job together in 7 days. A is 1(3/4) times as efficient as B. The same job can be done by A alone in :

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