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    Question

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

    12      36       90       180      270      ?

    A 280 Correct Answer Incorrect Answer
    B 275 Correct Answer Incorrect Answer
    C 282 Correct Answer Incorrect Answer
    D 270 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    12 x 3 = 36 36 x 2.5 = 90 90 x 2 = 180 180 x 1.5 = 270 270 x 1 = 270

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