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If p^q + r is an even number which of the following m
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20 Oct 2019, 00:13
20 Oct 2019, 00:13
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Question Stats:
23% (00:39) correct
76% (01:35) wrong based on 21 sessions
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If \(p^q + r\) is an even number which of the following must also be even?
A. p+q+r
B. pqr
C. p+r
D. q+r
E. None of these
A. p+q+r
B. pqr
C. p+r
D. q+r
E. None of these
Re: Number Properies Question
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20 Oct 2019, 00:24
20 Oct 2019, 00:24
1
Expert Reply
Please, read the rules for posting on the board. This is a problem solving and must go under the right sub-forum NOT in the general quant section.
https://gre.myprepclub.com/forum/rules-for ... -1083.html
https://gre.myprepclub.com/forum/rules-for ... -1083.html
Re: If p^q + r is an even number which of the following m
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20 Oct 2019, 00:39
20 Oct 2019, 00:39
Expert Reply
p^q must be even and r as well
Even + even = Even
However, q could be odd or even
\(2^1+2=4\)
\(2^2+2=6\)
\(2^3+2=10\)
All the answer choices could be even or odd. But the question is a must be true
E is the answer
Even + even = Even
However, q could be odd or even
\(2^1+2=4\)
\(2^2+2=6\)
\(2^3+2=10\)
All the answer choices could be even or odd. But the question is a must be true
E is the answer
