Geometry : Quant Question Archive [LOCKED]
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# Geometry

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GMAT Club Legend
Joined: 07 Jul 2004
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16 Oct 2005, 07:50
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

This question came out in the national examination in my country for 12 year old kids. It raised an uproar among parents as they felt it was too difficult for 12 year olds.

Anyway, I thought it would be interesting to try post it since it involves geometry and GMAT does test geometry afterall.

The question is in the attachment. Enjoy!
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question.ppt [91.5 KiB]

Director
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16 Oct 2005, 08:20
Area(A) + Area(B) + Area(C) = 45
4+16+Area(C)=45
Area(C)=25
Director
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Location: On Vacation at My Crawford, Texas Ranch
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16 Oct 2005, 08:31
ywilfred wrote:
This question came out in the national examination in my country for 12 year old kids. It raised an uproar among parents as they felt it was too difficult for 12 year olds.

Anyway, I thought it would be interesting to try post it since it involves geometry and GMAT does test geometry afterall.

The question is in the attachment. Enjoy!

Not a bad problem for a 12 year old in Asia. Wish I had received a math education there. Anyway, here's how a 28 year old American would solve it.

Area of large triangle = 15*6=90/2 = 45 subtract the total of the smaller triangles 16 and 4. Answer: 25
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16 Oct 2005, 09:10
gsr wrote:
Area(A) + Area(B) + Area(C) = 45
4+16+Area(C)=45
Area(C)=25

this is good enough.............
Senior Manager
Joined: 30 Oct 2004
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16 Oct 2005, 10:19
Well.. you can never really discount the possibility of this appearing on the GMAT... under pressure.. even problems for 12 year olds can blank 20+ year olds!! IMHO!!
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-Vikram

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16 Oct 2005, 10:26
True.
Also, Poor 12 year olds! Now it is easy, but I am confident I would not have solved this problem as a 12 year old!
16 Oct 2005, 10:26
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# Geometry

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