Question

When ram and mohan work together they complete a work in 5days.If ram alone can complete tis work in 12days then how.Many days mohan?

Answer 1

Answer:

work done by ram in 1 day= 1/12

let the work done by mohan in 1 day be 1/x

atq

1/x+1/12=1/5

1/x=1/5-1/12

1/x=12-5/60

1/x=7/60

x=60/7