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From the figure, which one of the following must be true?

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From the figure, which one of the following must be true?  [#permalink]

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New post 09 Oct 2018, 00:23
00:00
A
B
C
D
E

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(N/A)

Question Stats:

67% (00:50) correct 33% (01:38) wrong based on 13 sessions

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Image
From the figure, which one of the following must be true?

(A) y = z

(B) y < z

(C) y ≤ z

(D) y > z

(E) y ≥ z

Attachment:
lines (3).jpg
lines (3).jpg [ 15.3 KiB | Viewed 268 times ]

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Re: From the figure, which one of the following must be true?  [#permalink]

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New post 09 Oct 2018, 00:31
Bunuel wrote:
Image
From the figure, which one of the following must be true?

(A) y = z

(B) y < z

(C) y ≤ z

(D) y > z

(E) y ≥ z

Attachment:
lines (3).jpg



x +3x = 180

x = 45 = z.

y = 135.

y>z.

The best answer is D.
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Re: From the figure, which one of the following must be true?  [#permalink]

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New post 09 Oct 2018, 00:35
Bunuel wrote:
Image
From the figure, which one of the following must be true?

(A) y = z

(B) y < z

(C) y ≤ z

(D) y > z

(E) y ≥ z

Attachment:
lines (3).jpg


From the given figure,

X + 3X=180°
then, X= 45°. so from this we can find out that X=Z=45° & Y=3X=3*45°=135°
Hence, Y>Z. Option D
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Re: From the figure, which one of the following must be true?  [#permalink]

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New post 09 Oct 2018, 02:15
Bunuel wrote:
Image
From the figure, which one of the following must be true?

(A) y = z
(B) y < z
(C) y ≤ z
(D) y > z
(E) y ≥ z
spoiler=]
Attachment:
lines (3).jpg
[/spoiler]


my logic is:

y=3x
and x=z

therefore y = 3z

now since y equals 3 times of z. It means that y > z

Option D
GMAT Club Bot
Re: From the figure, which one of the following must be true?   [#permalink] 09 Oct 2018, 02:15
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From the figure, which one of the following must be true?

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