# Find the number of days in which the work was completed?

150 workers were engaged to finish a piece of work in a certain number of days. Four workers dropped on the second day, four more workers dropped on third day and so on. It takes 8 more days to finish the work now. Find the number of days in which the work was completed

- 28
- 30
- 24
- 25

n/2(2*150+(n-1) * -4

n(152-2n)……ap formula

150(n-8)= n(152-2n)

n=25

MINI ATREYA