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8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-3

  • question_answer
    The age of 25 students are given below. The mean age is:
    Age       14 15 16 17
    No. of students        4 8 10 3

    A)  14 years                      

    B)  15.48 years

    C)  16 years                      

    D)  16.48 years

    E)  None of these

    Correct Answer: B

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