Problem

A physical quantity

A

is dependent on other four physical quantities

p, q, r

and

s

as given by

A = \frac{\sqrt{pq}}{r^2s^3}

. The percentage error of measurement in

p, q, r

and

s

are 1%, 3%, 0.5% and 0.33% respectively, then the maximum percentage error in

A

is a. 2% b. 0% c. 4% d. 3%