[PSSSB Milk Recorder, 2023]

1. 5 Skilled workers can build a wall in 20 days, 8 semi-skilled workers can build a wall in 25 days: 10 unskilled workers can build a wall in 30 days. If a team has 2 skilled 6 semi-skilled and 5 unskilled workers, how long will it take to build the wall?

1. 20 days

2. 18 days

3. 16 days

4. 15 days

Correct Answer :

15 days