Is xy > x/y?
(1) xy > 0
(2) y < 0
Ans E
5-Day Free Trial
5-day free, full-access trial TTP
Available with Beat the GMAT members only code
MORE DETAILS
Inequality
This topic has expert replies
-
jainrahul1985
- Master | Next Rank: 500 Posts
- Posts: 228
- Joined: Sun Aug 17, 2008 8:08 am
- Thanked: 4 times
IMO E
from 2:
y<0
Let y=-2 and x=-3
xy>x/y
Let y=-2 and x=3
xy<x/y
NOT SUFFICIENT
from 1:
xy>0
therefore x>0 and y>0 OR x<0 and y<0
Let x=2, y=3
xy>x/y
Let x=-2, y=-3
xy>x/y
But, for x=1, y=1
xy=x/y
NOT SUFFICIENT
from 2:
y<0
Let y=-2 and x=-3
xy>x/y
Let y=-2 and x=3
xy<x/y
NOT SUFFICIENT
from 1:
xy>0
therefore x>0 and y>0 OR x<0 and y<0
Let x=2, y=3
xy>x/y
Let x=-2, y=-3
xy>x/y
But, for x=1, y=1
xy=x/y
NOT SUFFICIENT
"Choose to chance the rapids and dance the tides"
