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    Question

    45, 54, 66, 84, 99, 120,

    144 Find the wrong number in the given number series 
    A 54 Correct Answer Incorrect Answer
    B 66 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 84 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 45 + (3 X 3) = 54 54 + (3 X 4) = 66 66 + (3 X 5) = 81 81 + (3 X 6) = 99 99 + (3 X 7) = 120 120 + (3 X 8) = 144 Therefore, 81 should come in place of 84.

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