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by sanju09 » Thu Sep 16, 2010 10:10 pm
Is p + q > p q?

(1) p > 0 > q.

(2) |q| = p.



[spoiler]Source: https://www.west.net/~stewart/gmat

this source contains many questions deleted from BTG, this is one of those I guess[/spoiler]
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Good question Sanju!!

by gmatmachoman » Fri Sep 17, 2010 2:15 am
sanju09 wrote:Is p + q > p q?

(1) p > 0 > q.

(2) |q| = p.



[spoiler]Source: https://www.west.net/~stewart/gmat

this source contains many questions deleted from BTG, this is one of those I guess[/spoiler]
St1 hints us that Q is negative.

case 1:
q= -21 ; p = 1

p + q = 1-21 = -20
PQ = 1* (-21)
= -21
-20> -21 (TRUE)

case 2:
q= -21 ; p = 0.1
p + q = 0.1-21 = -20.9
PQ = 0.1* (-21)
= -2.1

p + q > p q ( FALSE)

Not sufficient

st 2:
Not sufficient

Combining st1 & st2:

p=1 q=-1 ( as Q should be negative)


LHS will be 0 and RHS will be negative

So p + q > p q .

Pick C
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