# To complete the work in stipulated time the number of extra labours required is:

A contractor was engaged to construct a road in 16 days. After working for 12 days with 20 labours it was found that only 5/8^{th} of the road had been constructed. To complete the work in stipulated time the number of extra labours required is:

- 16
- 10
- 12
- 18