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    Question

    Find the wrong number in the given number series.

    3, 15, 18, 54, 56, 51
    A 3 Correct Answer Incorrect Answer
    B 15 Correct Answer Incorrect Answer
    C 56 Correct Answer Incorrect Answer
    D 51 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    The pattern is:

    3 × 5 = 15

    15 + 3 = 18

    18 × 3 = 54

    54 + 2 = 56

    56 × 1 = 56

    Therefore, 56 should be in place of 51.

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