If 15 men take 21 days of 8 hours each to do a piece of work
If 15 men take 21 days of 8 hours each to do a piece of work, then what is the number of days of 6 hours each that 21 women would take, if 3 women would do as much work as 2 men?
- 18
- 20
- 25
- 30
Answer
Total Work Done = Number of men or women × days × hours × efficiency
15 × 21 × 8 × 1/2 = 21 × days × 6 × 1/3
days = 30
The correct option is D.