9th Class
Mathematics
Surface Areas and Volumes
Question Bank
Surface Areas and Volume
question_answer
The difference between the areas of outside and inside surface of a cylindrical metallic pipe 14 cm long is \[\mathbf{132c}{{\mathbf{m}}^{\mathbf{2}}}\]. If the pipe is made of \[\mathbf{495c}{{\mathbf{m}}^{\mathbf{3}}}\] of metal, find the outer and inner radii of the pipe.