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Inequality - set11 Q28

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arocks: Master | Next Rank: 500 Posts; Posts: 127; Joined: Tue Oct 02, 2007 9:35 am; Thanked: 1 times

by arocks » Mon Oct 08, 2007 12:16 am

If x and y are integers and x>0, is y>0?

1) 7x-2y>0
2) -y<x

Please explain. Thanks

I understand stmt.1 is insuff. What about stmt.2?

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Source: Beat The GMAT — Data Sufficiency | Mon Oct 08, 2007 12:16 am

josephcho77: Senior | Next Rank: 100 Posts; Posts: 30; Joined: Thu Feb 22, 2007 5:56 pm; Location: Seattle

by josephcho77 » Mon Oct 08, 2007 5:10 am

Stmt.2 is also insuff.

Plug simple number
when x=1 and y=1
-1<1 satisfy the condition and y>0

when x=2 and y=-1
1<2 satisfy the condition but y<0

Even though you combine two condition y can be positive or negative
therefore the answer would be "E"

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