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# If x and y are positive integers, what is the value of x?

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Math Expert
Joined: 02 Sep 2009
Posts: 52285
If x and y are positive integers, what is the value of x?  [#permalink]

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20 Apr 2017, 22:28
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Difficulty:

55% (hard)

Question Stats:

68% (02:05) correct 32% (01:38) wrong based on 43 sessions

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If x and y are positive integers, what is the value of x?

(1) Twice x equals 4 times y.
(2) xy is the square of a positive integer

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Intern
Joined: 19 Mar 2015
Posts: 16
Location: India
Re: If x and y are positive integers, what is the value of x?  [#permalink]

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21 Apr 2017, 23:30
If x and y are positive integers, what is the value of x?

(1) Twice x equals 4 times y.
(2) xy is the square of a positive integer

From statement 1 2x=4y , ie x=2y not enough to solve

statement 2 also not enough to solve

statement 1+2 -> 2y*y is a square root of a positive integer, ie x = 2^(1/2)

So my answer would be C
Intern
Joined: 26 Jan 2017
Posts: 31
Re: If x and y are positive integers, what is the value of x?  [#permalink]

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22 Apr 2017, 04:48
sreenu7464 wrote:
If x and y are positive integers, what is the value of x?

(1) Twice x equals 4 times y.
(2) xy is the square of a positive integer

From statement 1 2x=4y , ie x=2y not enough to solve

statement 2 also not enough to solve

statement 1+2 -> 2y*y is a square root of a positive integer, ie x = 2^(1/2)

So my answer would be C

There are three variables and two equations. x, y, n -> Thus we cannot find the VALUE of x.
Re: If x and y are positive integers, what is the value of x? &nbs [#permalink] 22 Apr 2017, 04:48
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# If x and y are positive integers, what is the value of x?

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