Question

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

    55      56       52      61       ?       70       34

    A 40 Correct Answer Incorrect Answer
    B 48 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 42 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The series is: 55 + 12 = 56 56 – 22 = 52 52 + 32 = 61 61 – 42 =  45 45 + 52 = 70 70 – 62 = 34

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