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Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.  Points P, Q, R and S are on line L in the order shown. If Q is the mid

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Math Expert V
Joined: 02 Sep 2009
Posts: 55732
Points P, Q, R and S are on line L in the order shown. If Q is the mid  [#permalink]

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1 00:00

Difficulty:   25% (medium)

Question Stats: 80% (01:13) correct 20% (01:22) wrong based on 41 sessions

HideShow timer Statistics Points P, Q, R and S are on line L in the order shown. If Q is the midpoint of segment PS and if RS = 4 and PQ = 7, then PR =

(A) 3
(B) 10
(C) 11
(D) 14
(E) 18

Attachment: 2017-07-14_1218.png [ 7.85 KiB | Viewed 749 times ]

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Intern  B
Joined: 29 Dec 2016
Posts: 12
Re: Points P, Q, R and S are on line L in the order shown. If Q is the mid  [#permalink]

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Intern  S
Joined: 19 Dec 2016
Posts: 46
Location: India
WE: Consulting (Computer Software)
Points P, Q, R and S are on line L in the order shown. If Q is the mid  [#permalink]

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As Q is mid point of PS so PQ = QS

and PQ=7(Given) so QS=7

and QS= QR+RS => 7=QR+4 => QR=3

PR= PQ+QR=> 7+3= 10

OA B
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Senior Manager  B
Joined: 28 Jun 2015
Posts: 287
Concentration: Finance
GPA: 3.5
Re: Points P, Q, R and S are on line L in the order shown. If Q is the mid  [#permalink]

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$$PQ = 7, PS = 14, QS = 7.$$

$$QS = QR + RS$$
$$RS = 4, QR = 3.$$

$$PR = PQ + QR$$
$$PQ = 7, QR = 3, PR = 10.$$ Ans - B.
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Manager  B
Joined: 18 Jun 2017
Posts: 59
Re: Points P, Q, R and S are on line L in the order shown. If Q is the mid  [#permalink]

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Since PQ+QR+RS=14 [Q being mid point of the segment so PR=2PQ]
Substituting and solving for QR above would give 3. PQ+QR=10. Re: Points P, Q, R and S are on line L in the order shown. If Q is the mid   [#permalink] 15 Jul 2017, 08:26
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Points P, Q, R and S are on line L in the order shown. If Q is the mid  