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x>y?

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by thephoenix » Sun Nov 29, 2009 7:22 am
IMO C
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by sunnyjohn » Sun Nov 29, 2009 7:23 am
IMO:E
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by ChillingHEAT » Sun Nov 29, 2009 9:12 am
IMO: E

As x>y depends whethere values of x and y are positive or negative
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by Brent@GMATPrepNow » Sun Nov 29, 2009 10:01 am
mariah wrote:x>y?

1) x^2>y^3

2) x^3>y^4
The answer is E and we can show this through counterexamples.
Case 1: x=3 and y=1 These values satisfy both conditions, and here x is greater than y
Case 2: x=1/2 and y=1/2 These values satisfy both conditions, and here x is NOT greater than y
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by life is a test » Mon Nov 30, 2009 4:37 am
Brent Hanneson wrote:
mariah wrote:x>y?

1) x^2>y^3

2) x^3>y^4
The answer is E and we can show this through counterexamples.
Case 1: x=3 and y=1 These values satisfy both conditions, and here x is greater than y
Case 2: x=1/2 and y=1/2 These values satisfy both conditions, and here x is NOT greater than y
If it were given that x and y were both int, would the ans then be B?

Thanks in advance.
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by Brent@GMATPrepNow » Mon Nov 30, 2009 11:08 am
life is a test wrote:
Brent Hanneson wrote:
mariah wrote:x>y?

1) x^2>y^3

2) x^3>y^4
The answer is E and we can show this through counterexamples.
Case 1: x=3 and y=1 These values satisfy both conditions, and here x is greater than y
Case 2: x=1/2 and y=1/2 These values satisfy both conditions, and here x is NOT greater than y
If it were given that x and y were both int, would the ans then be B?

Thanks in advance.
Yes, given the condition that x and y are integers, the answer would be B.
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by wanttobeat » Tue Dec 01, 2009 12:32 am
Brent Hanneson wrote:
life is a test wrote:
Brent Hanneson wrote:
mariah wrote:x>y?

1) x^2>y^3

2) x^3>y^4
The answer is E and we can show this through counterexamples.
Case 1: x=3 and y=1 These values satisfy both conditions, and here x is greater than y
Case 2: x=1/2 and y=1/2 These values satisfy both conditions, and here x is NOT greater than y
If it were given that x and y were both int, would the ans then be B?

Thanks in advance.
Yes, given the condition that x and y are integers, the answer would be B.
can you please explain?
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