The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( = 0.85), the 40% area is unpaved streets ( = 0.20) and the remaining is wooded areas ( = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula the maximum run off is

The drainage area of a town is 12 hectares. Its 40% area is hard pavem

1.	The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( = 0.85), the 40% area is unpaved streets ( = 0.20) and the remaining is wooded areas ( = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula the maximum run off is
A.	0.10 cumec
B.	0.12 cumec
C.	0.15 cumec
D.	0.20 cumec.
Answer» D. 0.20 cumec.