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01 Jan 2018, 10:45
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B
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Difficulty:
15%
(low)
Question Stats:
85% (00:44) correct
15%
(00:44)
wrong
based on 53
sessions
History
Date
Time
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Not Attempted Yet
Is the integer z odd?
(1) z is positive.
(2) The average (arithmetic mean) of z and 2 is an integer.
(1) z is positive.
(2) The average (arithmetic mean) of z and 2 is an integer.
Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum
Data Sufficiency Forum
01 Jan 2018, 10:54
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Bunuel
Statement 1: \(z\) can be even or odd. Insufficient
Statement 2: \(z+2\) is divisible by \(2\) so \(z\) has to be even. Sufficient
Option B
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