Question

30 people can complete a work in 12 days. how many will20 people take for completing the same work

Answer 1

If 30 people can complete the work in 12 days.

Then 1 man will complete the work in (30×12)days.

Then 20 men will complete the work in (30×12/20)days = 18days.

Answer 2

30÷12=5_2×20=2is answer

I hope it helps u