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English and Logical Reasoning Prep GuideLogical ReasoningClassification

Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?

Options

A168
B728
C290
D380

Correct answer

D. 380

Step-by-step solution

Except it other numbers are either 1 less or 1 more than a perfect square number.

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