8 men or 12 women can do a work in 10 days. In how many days can 4 men and 4 women do the same work?
Answer & explanation
Correct answer: option 2
8 men or 12 women can do a work in 10 days
That means , 8 men = 12 women
2 men = 3 women
Now,
4 men + 4 women
= 2 × 3 women + 4 women
= 6 women + 4 women
= 10 women
As, 12 women can complete the work in 10 days.
So , Total work = 12 ×10 = 120 unit
Time taken by (4 men + 4 women )10 women to complete the work = \(\frac{120}{10}\)
= 12 days