If 16 men or 28 women can do a work in 40 days. How long 24 men and 14 women will take to complete the work ?
A15 days
B18 days
C20 days
D22 days
Answer:
C. 20 days
Read Explanation:
16 men = 28 women
8 men = 14 women
24 men + 14 women = 24 men + 8 men = 32 men
16 men can do a piece of work in 40 days
1 men can do the same work in (40 × 16) days
Then 32 men can do the same work in (40 × 16)/32 = 20 days