Question

30 persons can do a piece of work in 24 days.How many more people are required to complete the work in 20 days?

Answer 1

30 persons can do a work in 24 days

a person can do that work in 24x30 days

total 720 days work

let p persons complete in 20 days

so. 20 p =. 720

p =720/20 =36

36 persons can do in 20 days

so 6 more persons are required