Question

if p/q=r/s=2.5:1.5 the value of ps:qr is

Answer 1

The answer to your question p/q=r/s=2.5:1.5 is 1

Answer 2

$\frac{p}{q} = \frac{r}{s} = \frac{2.5}{1.5} \\ cross \: multiplication\\ \frac{ps}{rq} = \frac{2.5}{1.5}$