1.

A and B can do a work in 12 days, B and C in 15 days, C and A in 20 days. If A, B and C work together, they will complete the work in?

A. 5 days
B. 10 days
C. 7(5/6) days
D. 15(2/3) days
Answer» C. 7(5/6) days


Discussion

No Comment Found