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If l1 || l2 in the figure above, what is the value of x?

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If l1 || l2 in the figure above, what is the value of x? [#permalink] New post   19 Nov 2018, 09:24
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58% (00:59) correct 42% (00:46) wrong based on 1230 sessions
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If l1 || l2 in the figure above, what is the value of x?

(A) 80
(B) 90
(C) 100
(D) 120
(E) It cannot be determined from the information given.

Project PS Butler : Question #27


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E
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keatross
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Re: If l1 || l2 in the figure above, what is the value of x? [#permalink] New post   19 Nov 2018, 10:26
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From what I understand, since we don't know if L3 & L4 are parallel, we cannot determine.
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Re: If l1 || l2 in the figure above, what is the value of x? [#permalink] New post   27 Nov 2018, 13:30
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Its a good trap question if someone in hurry doesnt read the question properly
l3 and l4 are not parallel or no information given,

Hence Ans - E
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Re: If l1 || l2 in the figure above, what is the value of x? [#permalink] New post   22 Aug 2019, 05:06
We don't know if L3 and L4 are parallel or not, so we can not determine.
Option E

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Re: If l1 || l2 in the figure above, what is the value of x? [#permalink] New post   11 Sep 2019, 16:07
But if l3 and l4 are parallel then x = 100....?

This is a solid trap question
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Re: If l1 || l2 in the figure above, what is the value of x? [#permalink] New post   05 Apr 2023, 01:54
dcummins wrote:
But if l3 and l4 are parallel then x = 100....?

This is a solid trap question



Correct, as angles around a line must = 180,

x+80 = 180
x= 100
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Re: If l1 || l2 in the figure above, what is the value of x? [#permalink]
05 Apr 2023, 01:54
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