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GMAT Prep / Number Properties

Expert replies
Source: — Data Sufficiency |

by cramya » Sun Dec 07, 2008 3:59 pm
Stmt I

q=3

We really dont know if z ius related to q or not. It may or may not be equal to 20q

INSUFF

Stmt II

z=y+w = 20q

SUFF
B)
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by cramya » Sun Dec 07, 2008 4:04 pm
r=2q
s=3q
t=4q
u=3q
v=6q
w=10q
x=4q
y=10q
z=20q
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