If $x$ is an integer, and $121 < x^2 \leq 361,$ which of the following is the sum of all possible values of $x?$

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Vincen: Legendary Member; Posts: 2898; Joined: Thu Sep 07, 2017 2:49 pmFollowed by: 5 members; Thanked: 6 times

by Vincen » Tue May 04, 2021 1:03 am

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If $x$ is an integer, and $121 < x^2 \leq 361,$ which of the following is the sum of all possible values of $x?$

(A) 135
(B) 124
(C) 116
(D) 105
(E) None of the above

Answer: E

Source: GMAT Club Tests

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Source: Beat The GMAT — Problem Solving | Tue May 04, 2021 1:03 am

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