The head over a V-notch at the end of a channel is 75 cm. If an error of 0.15 cm is possible in the measurement of the head, then the percentage error in computing the discharge is

The head over a V-notch at the end of a channel is 75 cm. If an error

1.	The head over a V-notch at the end of a channel is 75 cm. If an error of 0.15 cm is possible in the measurement of the head, then the percentage error in computing the discharge is
A.	0.25
B.	0.5
C.	0.75
D.	1.0
Answer» C. 0.75