Question

how long will 50 men take to do the same job that 40 men do in 25 days​

Answer 1

Answer:

40 men —25 days

1 man - 40*25 days=1000 days

50 men=1000/50 days

=20 days

So 50 men require 20 days to complete that job.

Answer 2

Answer:

Work is done by 40 men = 25 days

" " " " 1 men = 40*25/1

" " " " 50 men=40*25/50

= 20 days

Hope it's helpful.