Question

32 persons can do a piece of workin 20 days. How many more people are required to complete the work in 16 days?

Answer 1

Please see the attachment

Answer 2

according to question,
32 persons can do a piece of work in 20 days

so, in a day to complete the work , number of people are required = 20 × 32 = 640

so, in 16 days to complete the work , number of people are required = 640/16 = 40

hence, 40 people are required to complete the work in 16 days .