Question

if p:q=1 by 2: 1 by 3 and q: r=1 1 by 2 : 1 1 by 3 find pr

Answer 1

given that
$\frac{p}{q } = \frac{1}{2}$
and
$\frac{q}{r } = 11 \times \frac{11}{2} = \frac{121}{2}$
from 1 and 2 equation we got p/r will be 1 /2. as p=1 and r=2