If p, q, x and y are positive numbers, is px qy?

Question

If p, q, x and y are positive numbers, is px > qy?

I. p > q

II. x > y

Archit3110 · Answer

#1
insufficeint as x&y not know
#2
valueof pq not know insufficeint

from 1& 2
suffieint
IMO C

Ypsychotic · Answer

Rearranging question stem  px>qy . is  \frac{p}{q} > \frac{y}{x} 
From 1,
 \frac{p}{q}>1 . Insufficient

From 2,
 \frac{y}{x}<1 . Insufficient.

From 1+2
 \frac{p}{q}>1>\frac{y}{x} or px>qy .Sufficient.
Option c.

If p, q, x and y are positive numbers, is px > qy?