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Joined: 16 May 2014
Posts: 592
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GRE 1: Q165 V161
GRE Math Challenge #5- x is a positive integer
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29 May 2014, 02:13
29 May 2014, 02:13
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x is a positive integer
A) The quantity in Quantity A is greater
B) The quantity in Quantity B is greater
C) The two quantities are equal
D) The relationship cannot be determined from the information given
Quantity A
x^2Quantity B
x^3A) The quantity in Quantity A is greater
B) The quantity in Quantity B is greater
C) The two quantities are equal
D) The relationship cannot be determined from the information given
Re: GRE Math Challenge #5- x is a positive integer
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16 Mar 2017, 01:19
16 Mar 2017, 01:19
1
I dont understand? How can it be B? What happens when x is 1? Why is it not D? Please I need help. Please
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Joined: 10 Apr 2015
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Re: GRE Math Challenge #5- x is a positive integer
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24 Mar 2017, 05:18
24 Mar 2017, 05:18
soumya1989 wrote:
x is a positive integer
Quantity A
x^2Quantity B
x^3Quantity A: x²
Quantity B: x³
Since we know that x² is POSITIVE, we can divide both quantities by x² to get:
Quantity A: 1
Quantity B: x
So, x COULD equal 1, in which case the quantities are EQUAL
Or x COULD equal 2, in which case the Quantity B is greater.
Answer:
Show: ::
D
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