Question

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

    5, 9, 18, 34 , ?

    A 54 Correct Answer Incorrect Answer
    B 55 Correct Answer Incorrect Answer
    C 56 Correct Answer Incorrect Answer
    D 59 Correct Answer Incorrect Answer

    Solution

    4+12 =5 , 5 +22 = 9 , 9 +32=18 , 18 +42 = 34, 34 +52 = 59 

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