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Triangle PQR consists of angles x, y and z. Is PQ>RP?

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Director
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Joined: 23 May 2008
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Triangle PQR consists of angles x, y and z. Is PQ>RP? [#permalink]

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New post 06 Oct 2008, 22:53
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A
B
C
D
E

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Triangle PQR consists of angles x, y and z. Is PQ>RP?

1)x=y

2)y=z

Kudos [?]: 86 [0], given: 0

SVP
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Joined: 17 Jun 2008
Posts: 1534

Kudos [?]: 280 [0], given: 0

Re: DS: veritas prep triangle [#permalink]

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New post 06 Oct 2008, 23:25
bigtreez, a digram would have helped understand this better.

Assuming, angles x,y and z correspond to vertices P,Q and R respectively, stmt1 is not sufficient to answer the question. Stmt2 is sufficient.

Hence, B.

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Director
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Re: DS: veritas prep triangle [#permalink]

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New post 06 Oct 2008, 23:40
yeah, sorry about that, the question actually comes with a diagram.

why is B sufficient?

1)x=y, this means triangle is isoceles or equilateral so PQ is either smaller or the same size as RP

2) y=z gives us basically the same information

Kudos [?]: 86 [0], given: 0

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Re: DS: veritas prep triangle [#permalink]

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New post 06 Oct 2008, 23:54
bigtreezl wrote:
yeah, sorry about that, the question actually comes with a diagram.

why is B sufficient?

1)x=y, this means triangle is isoceles or equilateral so PQ is either smaller or the same size as RP

2) y=z gives us basically the same information


If x corresponds to vertex P and y corresponds to vertex Q, then if x = y that means, PR = QR and PQ can be smaller, same or larger than RP. Hence, insufficient.

Kudos [?]: 280 [0], given: 0

Director
Director
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Joined: 23 May 2008
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Re: DS: veritas prep triangle [#permalink]

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New post 07 Oct 2008, 00:00
scthakur wrote:
bigtreezl wrote:
yeah, sorry about that, the question actually comes with a diagram.

why is B sufficient?

1)x=y, this means triangle is isoceles or equilateral so PQ is either smaller or the same size as RP

2) y=z gives us basically the same information


If x corresponds to vertex P and y corresponds to vertex Q, then if x = y that means, PR = QR and PQ can be smaller, same or larger than RP. Hence, insufficient.


yeah, i understand why A is insuff. but why is B suff.?

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Re: DS: veritas prep triangle [#permalink]

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New post 07 Oct 2008, 00:05
B tells you that PQ and RP are the same and hence PQ is not greater than RP. This answer the question. Hence, sufficient.

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Re: DS: veritas prep triangle   [#permalink] 07 Oct 2008, 00:05
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Triangle PQR consists of angles x, y and z. Is PQ>RP?

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