20 workers can finish a task in 30 days. How many additional workers are needed to finish the same task in 25 days?
A
6
B
8
C
10
D
12
Correct Answer: 6
By 30 days a work is done by 20 workers so by 25 days '' '' '' '' '' (20*30/25) = 24 So additional workers needed = 24 - 20 = 4 ans: 4 workers