question_answer

The difference between area of the inner and outer surfaces of a cylinder 14 cm long is \[88\,c{{m}^{2}}\]If the volume of the cylinder be \[176\,c{{m}^{3}}\]then its inner and outer radii are respectively:

A)  1 cm, 3 cm                  

B)  1.5 cm, 2.5 cm

C)  3 cm, 4 cm                  

D)  1.5 cm, 3.5 cm

E)  None of these