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    Question

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

    6 6 13 39 ?

    226
    A 100 Correct Answer Incorrect Answer
    B 150 Correct Answer Incorrect Answer
    C 210 Correct Answer Incorrect Answer
    D 104 Correct Answer Incorrect Answer
    E 102 Correct Answer Incorrect Answer

    Solution

    6 + 13-1 = 6+ 0 =6 6 + 23-1 = 6+ 7 =13

    13 + 33-1 = 13+ 26 =39
    39 + 43-1= 39+ 63 =102
    102 + 53-1 = 102+ 124 =226

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