Question

    Which of the following numbers will replace the question mark (?) in the given series?

    18, 18, 20, 60, 64, ?

    A 320 Correct Answer Incorrect Answer
    B 300 Correct Answer Incorrect Answer
    C 330 Correct Answer Incorrect Answer
    D 310 Correct Answer Incorrect Answer

    Solution

    18 x 1 = 18 18 + 2 = 20 20 x 3 = 60 60 + 4 = 64 64 x 5 = 320

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