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# Which of the following CANNOT be expressed as the sum of squ

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Intern
Joined: 11 Jul 2018
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Which of the following CANNOT be expressed as the sum of squ [#permalink]  11 Jul 2018, 05:10
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Question Stats:

75% (01:02) correct 25% (00:17) wrong based on 4 sessions
Which of the following CANNOT be expressed as the sum of squares of two integer?

A 13
B 17
C 21
D 29
E 34
[Reveal] Spoiler: OA
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Re: GRE [#permalink]  11 Jul 2018, 10:03
Expert's post
Hi,

Here https://greprepclub.com/forum/rules-for ... -1083.html and here https://greprepclub.com/forum/qq-how-to ... -2357.html

A. $$3^2 = 9; 2^2=4; 9+4 = 13$$

B. $$4^2=16; 1^2=1; 16+1=17$$

D. $$5^2=25; 2^2=4; 25+4=29$$

E. $$5^2=25;3^2=9; 25+9=34$$

Hope this helps.
_________________
Re: GRE   [#permalink] 11 Jul 2018, 10:03
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