4 men can do a work in 5 days and 6 women can do the same work in 4 days.if 5 men and 6 women work together they will complete the work in
4 men per day work =1/5 5 men per day work =( 1/5 )×5/4=1/4 6 women per day work =1/4 5 men and 6 women per day work =1/4+1/4 =2/4=1/2 No of days required us 2 days
2 days