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# x > y or x < y

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x > y or x < y [#permalink]  10 Jun 2018, 07:40
Expert's post
00:00

Question Stats:

100% (00:28) correct 0% (00:00) wrong based on 8 sessions
Attachment:

triangle.jpg [ 12.08 KiB | Viewed 268 times ]

 Quantity A Quantity B $$x$$ $$y$$

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Re: x > y or x < y [#permalink]  16 Jun 2018, 13:22
The only explanation I can think of is to say that the triangle is not drawn to scale, making the answer to the question D, but I am interested in seeing the proper/different approach to this question.
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Re: x > y or x < y [#permalink]  16 Jun 2018, 13:54
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Expert's post
You are kind of right. There isn't an analyical solution to this, but rather understanding of how triangles work.

Consider the following cases:

Attachment:

long_tri.png [ 11.13 KiB | Viewed 217 times ]

If you have drawn the triangle like this clearly x > y

Attachment:

short_tri.png [ 4.43 KiB | Viewed 217 times ]

If you have drawn the triangle like this clearly y > x

The idea is to know that if atleast 3 things about a triangle are not told it is not fixed.

--> 3 sides

--> 1 side 2 angles

--> 2 sides 1 angle that is NOT in between the two sides

If these are not specified the triangle is not fixed! That means you can redraw the questions' triangle in anyway you like.

Hope this helps
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Sandy
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Re: x > y or x < y   [#permalink] 16 Jun 2018, 13:54
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