Practicing Success
A, B and C can do a piece of work in 10 days, 12 days and 15 days respectively. In how many days will they finish the work together? |
05 04 09 06 |
04 |
Total work = Efficiency × Number of days Time taken by A , B & C together to do work = \(\frac{60R}{15R}\) = 4 days |