Question

    What should come in place of question mark ‘?’ in the following number series?

    77      73        69         65 

          ?         57
    A 60 Correct Answer Incorrect Answer
    B 61 Correct Answer Incorrect Answer
    C 62 Correct Answer Incorrect Answer
    D 63 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    77 - 4 = 73 73 - 4 = 69 69 - 4 = 65 65 - 4 =  61 61 - 4 = 57

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