Mangala completes a piece of work in 60 days, Raju completes the same work in 40 days. If both of them work together, then the number of days required to complete the work is?
Choose the correct choice from the following.
A) 8 days  B) 12 days  C) 14 days  D) 16 days  E) 24 days
If A can complete a work in x days and B can complete the same work in y days, then, both   of them together can complete the work in x y/ x+ y days.   That is, the required No. of days = 60 × 40/100 = 24 days   24 days
<result>E</result>
Mangala completes a piece of work in 60 days, Raju completes the same work in 40 days. If both of them work together, then the number of days required to complete the work is?