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6th Class Mathematics Related to Competitive Exam Question Bank Series

  • question_answer
    DIRECTIONS: Which of the following would come in place of the question mark in the following letter number series. 4, 6, 6, 15, 8, 28, 10,?

    A) 36                   

    B)          39

    C) 45                   

    D)          38

    Correct Answer: C

    Solution :

        First series:                  4, 6, 8, 10 Second series:              6, 15, 28, ? Differences in the second series are 9, 13, Hence the next term is 28 + 17 = 45.


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