question_answer

A cylindrical metallic pipe is 14 cm long. The difference between the outside and inside curve surface area is \[44\,c{{m}^{2}}.\]If the sum of outer and inner radius is 1.5 cm. Find the outer and inner radius of the pipe.

A)  \[1\,\,cm\,\,\And \,\,\frac{1}{2}\,\,cm\]

B)  \[\frac{3}{2}\,\,cm\,\,\And \,\,2\,\,cm\]

C)  \[\frac{1}{2}\,\,cm\,\,\And \,\,2\,\,cm\]   

D)  \[\frac{5}{2}\,\,cm\,\,\And \,\,\frac{1}{2}\,\,cm\]

E)  None of these