Question

    What will come in place of the question mark (?) in each of the following series?

    9     4.5     4.5     9      36      ?

    A 212 Correct Answer Incorrect Answer
    B 228 Correct Answer Incorrect Answer
    C 288 Correct Answer Incorrect Answer
    D 258 Correct Answer Incorrect Answer
    E 286 Correct Answer Incorrect Answer

    Solution

    9         4.5      4.5       9        36        288    x0.5       x1       x2      x4        x8

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