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GRE Math Challenge #12- Geometry Three Circles

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Director
Director
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Joined: 16 May 2014
Posts: 594
GRE 1: Q165 V161
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GRE Math Challenge #12- Geometry Three Circles [#permalink] New post 07 Aug 2014, 12:17
Expert's post
00:00

Question Stats:

50% (00:45) correct 50% (01:51) wrong based on 18 sessions
Attachment:
q23.png
q23.png [ 26.47 KiB | Viewed 1574 times ]
[Reveal] Spoiler: OA

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Intern
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Re: GRE Math Challenge #12 [#permalink] New post 08 Aug 2014, 00:41
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If the Radius of the circle with centre "O" is R, and as per given condition Radius of circle A = 7x & Radius of circle B = 9x.
Then, OA = R-7x
OB = R-9x => OA>OB
Corect answer would be (A)
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Re: GRE Math Challenge #12- Geometry Three Circles [#permalink] New post 16 Jan 2018, 18:16
I thought it should be B. I was wrongg.
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Re: GRE Math Challenge #12- Geometry Three Circles [#permalink] New post 26 Jan 2018, 11:25
A
Re: GRE Math Challenge #12- Geometry Three Circles   [#permalink] 26 Jan 2018, 11:25
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GRE Math Challenge #12- Geometry Three Circles

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