Question

Sally can do a piece of work in 16 days and Jenny can do the same piece of work in 12
days. Sally and Jenny with the help of Diana completed the work in 6 days. In how
many days can Diana alone do the work?​

Answer 1

Answer:

48 days

Step-by-step explanation:

Sally can do a piece of work in 16 days and Jenny can do the same piece of work in 12  days.

sally=1/16 days

jenny=1/12 days

sally+jenny=1/16+1/12

                =7/48

sally+jenny+diana=1/6

diana=1/6-7/48

diana=1/48 days