200 men and 350 women can do a work in 40 days. 70 men and 100 women can do the same work in ‘D’ days. 50 men and 110 women can do the same work in 150 days. Find the value of ‘D’.

200 men and 350 women can do a work in 40 days. 70 men and 100 women c

1.	200 men and 350 women can do a work in 40 days. 70 men and 100 women can do the same work in ‘D’ days. 50 men and 110 women can do the same work in 150 days. Find the value of ‘D’.
A.	80
B.	60
C.	50
D.	120
E.	90
Answer» E. 90