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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-11

  • question_answer
    The radii of two spheres are in the ratio 1 : 2. Find the ratio of their surface area.

    A)  1 : 4                

    B)  2 : 3

    C)  5 : 4                            

    D)  6 : 1

    E)  None of these

    Correct Answer: A

    Solution :

     Not Available   


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