If 3 men or 6 women can do a piece of work in 16 days, in how many days can 12 men and 8 women do the same piece of work?
A4
B5
C3
D2
Answer:
C. 3
Read Explanation:
3m×16=6w×16
m/w=2(efficiency of man)/1(efficiency of woman)
12 men and 8 women = 12 × 2 + 8 = 32 women
6 women can do a work in 16 days
So 32 women shall do it in=16x6/32=3