x and y are nonzero numbers

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sanju09: GMAT Instructor; Posts: 3650; Joined: Wed Jan 21, 2009 4:27 amFollowed by: 80 members; Location: India; Thanked: 267 times; GMAT Score:760

by sanju09 » Mon Feb 02, 2009 5:58 am

If both x and y are nonzero numbers, what is the value of x/y?

(1) x^2 = y^2

(2) x = 3

IMO E

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Sanjeev K Saxena
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Source: Beat The GMAT — Data Sufficiency | Mon Feb 02, 2009 5:58 am

mals24: Legendary Member; Posts: 683; Joined: Tue Jul 22, 2008 1:58 pmFollowed by: 2 members; Location: Dubai; Thanked: 73 times

by mals24 » Mon Feb 02, 2009 6:02 am

Yup agree with E

St1: x/y could either be 1 or -1
St2: no information about y

Combining
Still we dont know if y is positive or negative 3. Insuff

Answer: E

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