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# In the figure, lines l and m are parallel. What is the value of x ?

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Math Expert
Joined: 02 Sep 2009
Posts: 64224
In the figure, lines l and m are parallel. What is the value of x ?  [#permalink]

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09 Aug 2019, 01:45
00:00

Difficulty:

15% (low)

Question Stats:

84% (00:48) correct 16% (01:19) wrong based on 38 sessions

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In the figure, lines l and m are parallel. What is the value of x ?

(1) z + t = 120
(2) y – z = 60

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2019-08-09_1343.png [ 10.71 KiB | Viewed 535 times ]

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Re: In the figure, lines l and m are parallel. What is the value of x ?  [#permalink]

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09 Aug 2019, 07:19
1
D is the answer

by a) we know that z=t , equal opp angles
so 2t=120
t=60
t + x=180 , so x=60
enough to answer

by b) y-z=60
we know that y+z=180

solve these two eqn
we get y=120
y=x , equal opp angles so x=120, enough to answer

Need kudos for GMAT club tests ,thnx
Re: In the figure, lines l and m are parallel. What is the value of x ?   [#permalink] 09 Aug 2019, 07:19

# In the figure, lines l and m are parallel. What is the value of x ?

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