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11th Class Mathematics Sample Paper Mathematics Olympiad - Sample Paper-10

  • question_answer
    Three math?s classes: X, Y and Z, take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y s 79 and average score of class V and Z is 81. What is the average score of classes X, Y and Z?

    A)  81.5          

    B)  80.5          

    C)  83                   

    D)  78

    Correct Answer: A

    Solution :

    Not Available  


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