Question

A contractor employs 56 labourers to lay a road
He agrees to get the work done in 15 days. But
the authorities want the work to be completed
in 10 days. How many more men should he
employ?
​

Answer 1

Actual Part of the work done in 1 day is 1/15 (for 56 workers)

Required work to be done in 1 day is 1/10 (for x workers)

Therefore, part of the work done in 1 day ( for 1 worker)

1/15*1/56=1/10*1/x

10x=15*56(cross multiplying)

10x=840

x=84

Hope this is clear