If 20 men can build a wall 112 metres long in 6 days, what length of a similar wall can be built by 25 men in 3 days?
Choose the most appropriate option
A) 65mtr.  B) 52mtr  C) 70mtr.  D) 78mtr.  E) 17mtr.
20 men is 6 days can build 112 metres   25 men in 3 days can build = 112*(25/20)x(3/6)   = 70 meters   Answer: 70mtr..
<result>C</result>
If 20 men can build a wall 112 metres long in 6 days, what length of a similar wall can be built by 25 men in 3 days?