7th Class Mathematics Related to Competitive Exam Question Bank Coding-Decoding

  • question_answer
    If D = 4, and cover = 63, then BASIS = ?

    A) 49                               

    B) 50

    C) 54                               

    D) 55

    Correct Answer: B

    Solution :

    Clearly A = 1, B = 2, C = 3etc. \[\therefore \]    COVER = 3 + 15 + 22 + 5 + 18 = 63 \[\therefore \]    BASIS = 2 + 1 + 19 + 9 + 19 = 50


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