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Is \(x<y?\)

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Source: — Data Sufficiency |

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by Jay@ManhattanReview » Tue Nov 26, 2019 8:48 pm
Vincen wrote:Is \(x < y?\)
a) \(z < y\)
b) \(z < x\)

[spoiler]OA=E[/spoiler]

Source: Official Guide
Even both statements together are insufficient.

Case 1: Say x = 2, y = 3 and z = 1. We see that x < y. The answer is yes.
Case 2: Say x = 3, y = 2 and z = 1. We see that x > y. The answer is no.

No unique answer. Insufficient.

The correct answer: E

Hope this helps!

-Jay
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