Multiple choice

If (6) men or (12) boys can complete a work in (66) days, then in how many days (15) men and (6) boys can complete the same work?

  1. 22

  2. 33

  3. 44

  4. 55

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

6 men or 12 boys can complete work in 66 days. This means 6 men = 12 boys, so 1 man = 2 boys. Total work = 6 men × 66 days = 396 man-days. Now 15 men and 6 boys = 15 men + 3 men (since 6 boys = 3 men) = 18 men. Time required = 396/18 = 22 days.