Question

If 45 men can do a piece of work in 40 days in how many days will 35 men do it

Answer 1

45 men can do a piece of work in 40 days so 1 man can do same work in -

40÷45 days=8/9 days

and 35 men can do same work in -
35*8÷9 days


so ur answer is-

31*1/9 days(in mixed fraction)