A can work 4/3 as fast as B and C together. A and B together can work 6 times as fast as C. If all three of them complete a job in 100/7 days, then how long would B alone take to complete the same work (in days)?
A, B and C together can complete a certain work in 24 days. A and C together work twice as much as B while A and B together works four times the as much as C, then A alone can do the same work in how many days?
A and B can complete a work in 12 days. B and C can complete the same work in 18 days. C and A can complete in 24 days. How many days will take for A, B and C combined together to complete the same amount of work?
A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?