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    Question

    Find the missing number in the following number series:

    17      9      10      16.5      35       ?       273

    A 90 Correct Answer Incorrect Answer
    B 82.5 Correct Answer Incorrect Answer
    C 75 Correct Answer Incorrect Answer
    D 105.5 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    17 x 0.5 + 0.5 = 9  9 x 1 + 1 = 10  10 x 1.5 + 1.5 = 16.5 16.5 x 2 + 2 = 35  35 x 2.5 + 2.5 = 90   90 x 3 + 3 = 273

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