9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-19

  • question_answer
    Find the mean age (in years) from the following frequency distribution:
    Age (in years) Frequency
    15 ? 19 3
    20 ? 24 13
    25 ? 29 21
    30 ? 34 15
    35 ? 39 5
    40 ? 44 4
    45 ? 49 2
    Total 63

    A)  29.06  

    B)  26.96

    C)  42.96              

    D)  95.99

    E)  None of these

    Correct Answer: A

    Solution :

     Not Available   


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