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In the figure, lines l1, l2, and l3 are parallel to one anot
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24 Mar 2019, 00:17
24 Mar 2019, 00:17
Expert Reply
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Question Stats:
68% (01:34) correct
31% (01:52) wrong based on 19 sessions
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#GREpracticequestion In the figure, lines l1, l2, and l3 are parallel to one another.jpg [ 22.41 KiB | Viewed 4004 times ]
In the figure, lines \(\ell 1\), \(\ell 2\), and \(\ell 3\) are parallel to one another. Line-segments AC and DF cut the three lines. If AB = 3, BC = 4, and DE = 5, then which one of the following equals DF ?
(A) \(\frac{3}{30}\)
(B) \(\frac{15}{7}\)
(C) \(\frac{20}{3}\)
(D) \(6\)
(E) \(\frac{35}{3}\)
Re: In the figure, lines l1, l2, and l3 are parallel to one anot
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15 Apr 2020, 13:22
15 Apr 2020, 13:22
Expert Reply
3 parallel lines divide two intercepts in equal ratio.
Thus: AB/BC = DE/EF
EF = 20/3
DF = 20/3+5=35/3
E is the answer
Thus: AB/BC = DE/EF
EF = 20/3
DF = 20/3+5=35/3
E is the answer
gmatclubot
Re: In the figure, lines l1, l2, and l3 are parallel to one anot [#permalink]
15 Apr 2020, 13:22
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