If total run off of a basin of 50 hectares is 0.8 cm, the ordinate of Bernard's distribution graph, may be calculated by the formula (where Q is the discharge in cumecs at the given time)___.

A)
y = 100 Q
B)
y = 150 Q
C)
y = 200 Q
D)
y = 250 Q

Correct Answer :   y = 250 Q