2010 · Q32
If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, what is the time taken by 15 men and 20 boys in doing the same type of work ?
Elementary MathematicsTime and Work
- A4 days
- B5 days
- C6 days
- D7 days
Explanation
Solving gives 1 man=1/100, 1 boy=1/200 per day; 15 men+20 boys take 4 days.