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8th Class Mathematics Related to Competitive Exam Question Bank Series

  • question_answer
    DIRECTIONS: Which of the following would come in place of the questions mark? In the following letter number series? 1, 2, 7, 7, 13, 12, ?                                   

    A) 19                  

    B) 18

    C) 12                               

    D) 14                       

    Correct Answer: A

    Solution :

    Given sequence consists of two series. 1, 7, 13, i.e., difference between consecutive nos is 6. 2, 7, 12, i.e., difference between consecutive nos is 5. So, next number in the 1 st series is 19.          


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