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In the diagram 14 nodes are represented by circles

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Senior Manager
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In the diagram 14 nodes are represented by circles [#permalink]

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New post 05 Jan 2014, 10:44
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Please be so kind to explain the question and answers
thanks in advance

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Last edited by LalaB on 23 Jan 2014, 11:58, edited 1 time in total.
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Re: In the diagram 14 nodes are represented by circles [#permalink]

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LalaB wrote:
Please be so kind to explain the question and answers
thanks in advance



let the circle between B and C be X ,so C is 2X,as it is the parent circle of the first one ,then the circle down from C is 4X ,left from which is 8X ,the nD is 16X . On the other hand,B is 2X,left from B is 4X ,then A is 8X .
So D is double of A .
Senior Manager
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Joined: 23 Oct 2010
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Location: Azerbaijan
Concentration: Finance
Schools: HEC '15 (A)
GMAT 1: 690 Q47 V38
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Kudos [?]: 354 [0], given: 73

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Re: In the diagram 14 nodes are represented by circles [#permalink]

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New post 23 Jan 2014, 11:57
thank you!
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Re: In the diagram 14 nodes are represented by circles [#permalink]

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Child Node (arrow head) = (1/2) of Parent node.
Assign place values as under and solve.

[Reveal] Spoiler: Answer
The value assigned to the principal node labeled D must be exactly double the value assigned to the principal node labeled A

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Re: In the diagram 14 nodes are represented by circles   [#permalink] 11 Jun 2016, 03:30
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In the diagram 14 nodes are represented by circles

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