Question

A, B, and C can complete a job in 12, 15, and 20 days respectively. A and B work together for 4 days, then B and C work together for 5 days. How long will it take for C to complete the remaining work alone?

A 10 days
B 12 days
C 6.67 days
D 20 days
Practice Next

More Time and distance Questions

Hey! Ask a query