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What is the average (arithmetic mean) of 11 − k, 11, and 1
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03 Nov 2020, 13:51
03 Nov 2020, 13:51
Expert Reply
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Question Stats:
94% (00:11) correct
5% (00:36) wrong based on 17 sessions
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What is the average (arithmetic mean) of 11 − k, 11, and 11 + k?
A. 3
B. 11
C. 15
D. 3+k/3
E. 11+k/3
Source: 320 GRE Math Questions
A. 3
B. 11
C. 15
D. 3+k/3
E. 11+k/3
Source: 320 GRE Math Questions
Re: What is the average (arithmetic mean) of 11 − k, 11, and 1
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21 Nov 2020, 00:25
21 Nov 2020, 00:25
Carcass wrote:
What is the average (arithmetic mean) of 11 − k, 11, and 11 + k?
A. 3
B. 11
C. 15
D. 3+k/3
E. 11+k/3
Source: 320 GRE Math Questions
A. 3
B. 11
C. 15
D. 3+k/3
E. 11+k/3
Source: 320 GRE Math Questions
(11 − k + 11 + 11 + k)/3 = 33/3 = 11.
Option B is the right answer.
gmatclubot
Re: What is the average (arithmetic mean) of 11 − k, 11, and 1 [#permalink]
21 Nov 2020, 00:25
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