Question

An engineer undertakes a project to build a road of 15km in 300 days and employs 45 men for the purpose .After 100 days,he finds only 2.5km of the road has been completed.Find the (approx)number of extra men must employs to finish the work in time.

Answer 1

Answer:

I5 km. 300 days 45 men

2.5. loo..................45

I2.5.............. 200.................x

x = ( 12/5) x (200/100) x 45=225

225-45=I80 extra men must be employed