Question

    Find the missing number in the following number series:

    102 97 90 81 70

    ?
    A 62 Correct Answer Incorrect Answer
    B 57 Correct Answer Incorrect Answer
    C 53 Correct Answer Incorrect Answer
    D 47 Correct Answer Incorrect Answer
    E 40 Correct Answer Incorrect Answer

    Solution

    102 - 5 = 97 97 - 7 = 90 90 - 9 = 81 81 - 11 = 70 70 - 13 = 57

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