The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 m

Question

The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be

Options:

A . 50 mm

B . 60 mm

C . 90 mm

D . 140 mm

Answer: Option C

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