SSC Sample Paper SSC CGL - Sample Paper-13

  • question_answer
    If the radius of a cylinder is decreased by 50% and the height is increased by 50% to form a new cylinder, the volume will be decreased by

    A) 0%                               

    B) 25%    

    C) 62.5%  

    D) 75%

    Correct Answer: C

    Solution :

    Required percentage decrease \[=100-\frac{50\times 50\times 150}{100\times 100}\] \[=100-37.5=62.5%\]    

You need to login to perform this action.
You will be redirected in 3 sec spinner