1.

A can do 1/3rd of a work in 5 days and B can do 2/5th of this work in 10 days. Both A and B, together can do the work in

A. 7 3/8 days
B. 8 4/5 days
C. 9 3/8 days
D. 10 days
Answer» D. 10 days


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