Question

    Choose the number which is different from others in the

    group.
    A 25 Correct Answer Incorrect Answer
    B 36 Correct Answer Incorrect Answer
    C 78 Correct Answer Incorrect Answer
    D 144 Correct Answer Incorrect Answer

    Solution

    The given numbers are 25, 36, 78, and 14.    Therefore, 78 is the number that is different from the others in the group, as it is not a perfect square, while the others are perfect squares.

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