1.

 The ratio of efficiency of A is to C is 5:3. The ratio of number of days taken by B is to C is 2:3. A takes 6 days less than C, when A and C completes the work individually. B and C started the work a

A. 4.5
B. 5
C. 6
D. 9 1/3
Answer» D. 9 1/3


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