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A national park that is in the shape of a square of side 40 metres has

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Manager
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Joined: 22 Jul 2014
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Concentration: General Management, Finance
GMAT 1: 670 Q48 V34
WE: Engineering (Energy and Utilities)
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A national park that is in the shape of a square of side 40 metres has [#permalink]

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New post 14 Sep 2014, 07:18
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A
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E

Difficulty:

  65% (hard)

Question Stats:

65% (02:09) correct 35% (02:53) wrong based on 81 sessions

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A national park that is in the shape of a square of side 40 metres has water pipe running along one of its diagonals.
What is the probability that a tourist (who is inside the national park) finds himself more than 10 metres away from the water pipe?

A) \([1- (\sqrt{2}/4)]^2\)
B) [1- 2/3]
C) [1- 4/7]
D) \([1- (\sqrt{3}/4)]^2\)
E) \([2- (\sqrt{1}/4)]^2\)



Source: 4gmat

Please explain :cry:
[Reveal] Spoiler: OA

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Re: A national park that is in the shape of a square of side 40 metres has [#permalink]

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New post 14 Sep 2014, 09:56
Is Answer A?? plzz reply
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Location: United Arab Emirates
Concentration: General Management, Operations
GMAT 1: 690 Q49 V34
GMAT 2: 730 Q50 V38
WE: Sales (Energy and Utilities)
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Re: A national park that is in the shape of a square of side 40 metres has [#permalink]

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New post 01 Jul 2015, 10:45
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Here is the solution.

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Re: A national park that is in the shape of a square of side 40 metres has [#permalink]

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New post 20 Nov 2017, 05:59
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Re: A national park that is in the shape of a square of side 40 metres has   [#permalink] 20 Nov 2017, 05:59
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