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Functions

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Manager
Manager
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S
Joined: 24 Sep 2018
Posts: 139
Premium Member CAT Tests
Functions  [#permalink]

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New post 08 Oct 2018, 03:08
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

75% (00:40) correct 25% (00:00) wrong based on 4 sessions

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If the operation & is defined for all x and y by the equation x & y=2xy, then 3 & (4 & 5) =
A. 80
B. 120
C. 160
D. 240
E. 360

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Director
Director
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G
Joined: 20 Feb 2015
Posts: 795
Concentration: Strategy, General Management
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Re: Functions  [#permalink]

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New post 08 Oct 2018, 03:25
GMATYoda wrote:
If the operation & is defined for all x and y by the equation x & y=2xy, then 3 & (4 & 5) =
A. 80
B. 120
C. 160
D. 240
E. 360


3 & (4 & 5) = 3 & 40 = 240
Math Expert
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V
Joined: 02 Sep 2009
Posts: 52911
Re: Functions  [#permalink]

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New post 08 Oct 2018, 03:57
GMAT Club Bot
Re: Functions   [#permalink] 08 Oct 2018, 03:57
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