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Source: — Data Sufficiency |
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by LSB » Tue Sep 09, 2008 3:50 pm
Q Stem:

wx = y
---> w = y/x

Stmt1:
wx^2 = 16
---> w = 16/x^2

Combine Q Stem and Stmt 1:

y/x = 16/x^2

(y * X^2) / x = 16
y*x = 16

Sufficient

Stmt2:
No info about X or W ---> insufficient

Answer A
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by pseudononymous » Wed Sep 10, 2008 6:06 am
(1) Can be rewritten as wx(x) = 16
Since wx = y, you can rewrite it as xy = 16
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by LSB » Wed Sep 10, 2008 6:17 am
Good one.
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