If 3 men or 4 women can construct a wall in 43 days, then the number of days that 7 men and 5 women take to construct it is:
Q1. If 3 men or 4 women can construct a wall in 43 days, then the number of days that 7 men and 5 women take to construct it is:
Answer: 12 days
Explanation: 3 men = 4 women in capacity, so 7 men + 5 women = 28/3 + 5 = 43/3 women. Total work = 4 × 43 = 172 woman-days. Days = 172 ÷ (43/3) = 12 days.