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    Question

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

    8       13       36       123       ? 

        2585
    A 512 Correct Answer Incorrect Answer
    B 536 Correct Answer Incorrect Answer
    C 560 Correct Answer Incorrect Answer
    D 584 Correct Answer Incorrect Answer
    E 608 Correct Answer Incorrect Answer

    Solution

    8 × 1 + 5 = 13  13 × 2 + 10 = 36  36 × 3 + 15 = 123  123 × 4 + 20 = 512   512 × 5 + 25 = 2585

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