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    Question

    In the following question, select the wrong number from

    the given alternatives. 18, 30, 54, 90, 138, 192, 270
    A 30 Correct Answer Incorrect Answer
    B 54 Correct Answer Incorrect Answer
    C 270 Correct Answer Incorrect Answer
    D 192 Correct Answer Incorrect Answer

    Solution

    18 + 12 = 30 30 + 24 = 54 54 + 36 = 90 90 + 48 = 138 138 + 60 = 198 198 + 72 = 270

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