Tip:A–D to answerE for explanationV for videoS to reveal answer
If 1 man or 2 women can finish a job in 20 days, how many days will 3 men and 2 women take to finish the same job?
- A.
3
- B.
5
- C.
6
- D.
4
(Correct Answer)
Explanation
1. Efficiency Ratio:
From "1 man or 2 women":
Efficiency of 1M=2 units/day
2. Total Work:
3. Efficiency of the New Group (5 Men):
Total Efficiency=5×2=10 units/day
4. Time Required:
Days=Total EfficiencyTotal Work
Correct Answer: Option D
Explanation
1. Efficiency Ratio:
From "1 man or 2 women":
Efficiency of 1M=2 units/day
2. Total Work:
3. Efficiency of the New Group (5 Men):
Total Efficiency=5×2=10 units/day
4. Time Required:
Days=Total EfficiencyTotal Work
Correct Answer: Option D
