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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-12

  • question_answer
    A right circular cylinder and a right circular cone have equal bases and equal volumes. But the lateral surface area of the right circular cone is 15/8 times the lateral surface area of the right circular cylinder. What is the ratio of radius to height of the cylinder?

    A)  3 : 4                            

    B)  9 : 4

    C)  15 : 8              

    D)  8 : 15

    E)  None of these

    Correct Answer: B

    Solution :

     Not Available


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