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# In the figure above three lines cross as shown above, what is the valu

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Math Expert
Joined: 02 Sep 2009
Posts: 55231
In the figure above three lines cross as shown above, what is the valu  [#permalink]

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14 Sep 2018, 02:00
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Difficulty:

25% (medium)

Question Stats:

62% (00:33) correct 38% (00:43) wrong based on 30 sessions

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In the figure above three lines cross as shown above, what is the value of x?

(1) z = 50
(2) y = x

Attachment:

image015.jpg [ 4.27 KiB | Viewed 518 times ]

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In the figure above three lines cross as shown above, what is the valu  [#permalink]

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14 Sep 2018, 02:06
Bunuel wrote:

In the figure above three lines cross as shown above, what is the value of x?

(1) z = 50
(2) y = x

Attachment:
image015.jpg

It is not given that the lines $$l_1$$ and $$l_2$$ are parallel.
S1 - z = 50
Insufficient.
S2 - y = x
Insufficient.
Combining both, z=y=x=50.
Sufficient.
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Re: In the figure above three lines cross as shown above, what is the valu  [#permalink]

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14 Sep 2018, 03:58
souvonik2k
i thought we weren't allowed to assume inf in ds
and lines are parallel is not given.
correct me if im wrong.
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Re: In the figure above three lines cross as shown above, what is the valu  [#permalink]

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14 Sep 2018, 23:14
manjot123 wrote:
souvonik2k
i thought we weren't allowed to assume inf in ds
and lines are parallel is not given.
correct me if im wrong.

Edited my post. Thank you.
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Re: In the figure above three lines cross as shown above, what is the valu  [#permalink]

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14 Sep 2018, 23:35
Bunuel wrote:

In the figure above three lines cross as shown above, what is the value of x?

(1) z = 50
(2) y = x

Attachment:
image015.jpg

The lines are Parallel can be proved only from B. Hence, Z = X = 50 (From A).

Option, C.

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Re: In the figure above three lines cross as shown above, what is the valu   [#permalink] 14 Sep 2018, 23:35
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