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SSC Sample Paper Mock Test-8 SSC CGL Tear-II Paper-1

  • question_answer
    A cone and a cylinder are of the same height. Their radii of the bases are in ratio of 2 : 1. The ratio of their volumes is

    A) 2 : 1     

    B)  3 : 2

    C)  4 : 3    

    D)  1 : 3

    Correct Answer: C

    Solution :

    Let radius of cylinder \[=x\] and radius of cone \[=2x\] Height of each \[=h\] \[\therefore \] \[\text{Required ratio}=\frac{\text{Volume}\,\,\text{of}\,\,\text{cone}}{\text{Volume}\,\,\text{of}\,\,\text{cylinder}}\] \[=\frac{\frac{1}{3}\pi 4{{x}^{2}}h}{\pi {{x}^{2}}h}=\frac{4}{3}\]


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