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7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-17

  • question_answer
    The average age of 31 students of a class is 18 years. If the teacher's age is also included, then the average age increases by 1 year. The age of teacher is:

    A)  50 years                      

    B)  49 years

    C)  60 years                      

    D)  52 years

    E)  None of these

    Correct Answer: A

    Solution :

     Not Available


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