2. Solved Papers
  3. CEE Kerala Engineering

CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2000

  • question_answer
    The mean mark in Statistics of 100 students in a class was 72. The mean mark of boys was 75. While their number was 70. The mean mark of girls in the class was:

    A)  69                                         

    B)  60

    C)  66                         

    D)         62

    E)  65

    Correct Answer: E

    Solution :

    Total marks of 100 students = 7200 Total marks of 70 boys\[=70\times 75=5250\] \[\therefore \]Total marks of 30 girls \[=7200-5250=1950\] \[\therefore \]  \[Mean=\frac{1950}{30}=65\]


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