Question

2.
2 men or 3 boys take 40 hours to do a certain piece of work. How long will 4
complete the work?
build u all in 15 days, B alone can do it in 30 days and C alone can do it in 4​

Answer 1

Step-by-step explanation:

or 3 boys take 40 hours to do a certain piece of work. How long will 4

complete the work?

build u all in 15 days, B alone can do it in 30 days and C alone can do it in 4