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Let x, y, and z be non-zero numbers such that the average (arithmetic

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 58335
Let x, y, and z be non-zero numbers such that the average (arithmetic  [#permalink]

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New post 01 Nov 2018, 00:56
1
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

70% (01:19) correct 30% (01:26) wrong based on 51 sessions

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Manager
Manager
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B
Joined: 23 Jun 2016
Posts: 60
Location: Pakistan
Concentration: Operations, General Management
GMAT 1: 200 Q1 V1
GPA: 3.77
WE: Operations (Energy and Utilities)
Re: Let x, y, and z be non-zero numbers such that the average (arithmetic  [#permalink]

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New post 01 Nov 2018, 01:05
1
1
{(x + 2y) / 2} = {(y + 2z)}/2
so x + 2y = y + 2z
x + y = 2z
For Average of x & y, divide both sides by 2;
so (x+y)/2 = z
Therefore Answer = z = B
GMAT Club Bot
Re: Let x, y, and z be non-zero numbers such that the average (arithmetic   [#permalink] 01 Nov 2018, 01:05
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Let x, y, and z be non-zero numbers such that the average (arithmetic

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