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# Geometry

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GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5078
Location: Singapore
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Kudos [?]: 184 [0], given: 0

Geometry [#permalink]  16 Oct 2005, 07:50
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!
Attachments

question.ppt [91.5 KiB]

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Director
Joined: 21 Aug 2005
Posts: 793
Followers: 2

Kudos [?]: 9 [0], given: 0

Area(A) + Area(B) + Area(C) = 45
4+16+Area(C)=45
Area(C)=25
Director
Joined: 14 Oct 2003
Posts: 588
Location: On Vacation at My Crawford, Texas Ranch
Followers: 1

Kudos [?]: 9 [0], given: 0

Re: Geometry [#permalink]  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
SVP
Joined: 05 Apr 2005
Posts: 1733
Followers: 5

Kudos [?]: 38 [0], given: 0

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
Posts: 286
Followers: 1

Kudos [?]: 12 [0], given: 0

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!!
_________________

-Vikram

Director
Joined: 21 Aug 2005
Posts: 793
Followers: 2

Kudos [?]: 9 [0], given: 0

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!
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