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by mandeepak » Fri Nov 02, 2007 8:45 pm
Is xy > x^2y^2?
(1) 14x^2 = 3
(2) y^2 = 1

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
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Source: — Data Sufficiency |
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by samirpandeyit62 » Fri Nov 02, 2007 11:38 pm
I will go with E what is the OA?
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Samir
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Re: DS

by gmatrant » Sat Nov 03, 2007 9:23 am
mandeepak wrote:Is xy > x^2y^2?
(1) 14x^2 = 3
(2) y^2 = 1

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
I too will go with E

x can be +or - root(3/14) and y can be + or - 1, so combining A and B will give the above values for x and y, different combinations will satisfy and dissatisfy the equation hence E.
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by mandeepak » Sun Nov 04, 2007 12:11 am
OA - E
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