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If a and b are integers and a^2b is odd, all of the following must be
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17 Aug 2021, 02:48
17 Aug 2021, 02:48
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Question Stats:
89% (00:57) correct
10% (00:48) wrong based on 19 sessions
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If a and b are integers and \(a^2b\) is odd, all of the following must be odd EXCEPT
(A) a
(B) b
(C) ab
(D) ab − a
(E) 2a + b
Kudos for the right answer and explanation
Question part of the project GRE Quant/Math Extreme Challenge Daily (2021) Edition
GRE - Math Book
(A) a
(B) b
(C) ab
(D) ab − a
(E) 2a + b
Kudos for the right answer and explanation
Question part of the project GRE Quant/Math Extreme Challenge Daily (2021) Edition
GRE - Math Book
If a and b are integers and a^2b is odd, all of the following must be
[#permalink]
17 Aug 2021, 08:05
17 Aug 2021, 08:05
\(a\) and \(b\) are integers & \(a^2b\) is odd, so both will be odd integers.
Take \(a = 1\) & \(b = 3\)
only \(ab - a\) will be even.
Answer D
Take \(a = 1\) & \(b = 3\)
only \(ab - a\) will be even.
Answer D
gmatclubot
If a and b are integers and a^2b is odd, all of the following must be [#permalink]
17 Aug 2021, 08:05
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