Civil Service Exam Reviewer · Logical Reasoning · medium
Which of the following does NOT belong to the group: 250, 196, 121, 169?
- 121
- 169
- 196
- 250
Answer
D. 250
Solution
121 = 11², 169 = 13² and 196 = 14² are perfect squares; 250 is not a perfect square.
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