Question

Mohit can complete a work in 50 day's ,whereas Anuj can complete the same work in 40 days. Find : (i) work done by Mohit in 20 day's. (ii) work left after Mohit has worked on it for 20 day's.

Answer 1

mohit completes work in 50 days.
work done by mohit in 20 days = 20/50 = 2/5 th of total work
work left = 50/50 - 20/50 = 3/5 th of the work is left after 20 days of work by mohit