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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-16

  • question_answer
    The height of right circular cone is 20 cm and the radius of its base in 4.5 cm. It is cut off through the mid-point of its height parallel to the base. Find the ratio of the volume of the upper part to that of the lower part.

    A)  3 : 7                            

    B)  7 : 3

    C)  7 : 1                            

    D)  1 : 7

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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