1.

min; A and C together would take 15 min. How lony woulu elcir wll6. A and B can do a piece of work in 6 days and 4 days respectively. A started the work; worked at it for2days and then was joined by B. Find the total time taken to complete the workthnk hirh A ran d in 6 days, B in 8 days and C in 4 days. If all work together, how

Answer»


Discussion

No Comment Found