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    Question

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

    23, 27, 39, 59, ?, 

    123
    A 87 Correct Answer Incorrect Answer
    B 75 Correct Answer Incorrect Answer
    C 77 Correct Answer Incorrect Answer
    D 84 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, The series follows the pattern: 23 + (4 × 1)= 27,  27 + (4 × 3)= 39,  39 + (4 × 5)= 59,  59 + (4 × 7)= 87 ,  87 + (4 × 9) = 123

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