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What is the value of x/y? (1) y = 4x + 3 (2) 2x = 2y

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shinna
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What is the value of x/y? (1) y = 4x + 3 (2) 2x = 2y [#permalink] New post   05 Nov 2011, 11:59
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What is the value of x/y?

(1) y = 4x + 3
(2) 2x = 2y

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Found a question which i had solved correctly according to me, but it turns out it was not correct. At least the OA suggests so.

IMO Answer: B
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C
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kostyan5
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Re: What is the value of x/y? (1) y = 4x + 3 (2) 2x = 2y [#permalink] New post   05 Nov 2011, 12:11
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Are you sure you typed the question correctly? 2x=2y seems to be enough.
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shinna
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Re: What is the value of x/y? (1) y = 4x + 3 (2) 2x = 2y [#permalink] New post   05 Nov 2011, 22:14
That is what i thought as well, but that's how it is give.I think then the question must be wrong.
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Re: What is the value of x/y? (1) y = 4x + 3 (2) 2x = 2y [#permalink] New post   05 Nov 2011, 23:18
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kostyan5 wrote:
Are you sure you typed the question correctly? 2x=2y seems to be enough.



It has be C. What if x=y=0 then x/y is not = 0. So, we need both statements.
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Re: What is the value of x/y? (1) y = 4x + 3 (2) 2x = 2y [#permalink] New post   06 Nov 2011, 00:11
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The answer is B
From 1

y=4x+3

4x/y=-3/y

so 4x=-3
x=-3/4 and we cannot get the value of x/y so 1 not sufficient

From 2

2x=2y

x=y

x/y=1


so 2 is sufficient

so the answer is B
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Re: What is the value of x/y? (1) y = 4x + 3 (2) 2x = 2y [#permalink] New post   30 Nov 2011, 10:11
ykaiim wrote:
kostyan5 wrote:
Are you sure you typed the question correctly? 2x=2y seems to be enough.



It has be C. What if x=y=0 then x/y is not = 0. So, we need both statements.


I think that 0/0 is an answer, isn't it?
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Re: What is the value of x/y? (1) y = 4x + 3 (2) 2x = 2y [#permalink] New post   17 Dec 2017, 13:45
B seems sufficient. Why is it C?
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Re: What is the value of x/y? (1) y = 4x + 3 (2) 2x = 2y [#permalink] New post   17 Dec 2017, 20:54
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Madhavi1990 wrote:
B seems sufficient. Why is it C?


2x = 2y is also true if x = y = 0, for this case x/y is undefined not equal to 1, so (2) is not sufficient.
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Re: What is the value of x/y? (1) y = 4x + 3 (2) 2x = 2y [#permalink] New post   26 Nov 2020, 02:08
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Re: What is the value of x/y? (1) y = 4x + 3 (2) 2x = 2y [#permalink]
26 Nov 2020, 02:08
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