CBSE Class 9 Mathematics Surface Areas And Volumes Worksheet Set D

Question. The radius of a sphere (in cm) whose volume is 12π cm3, is  (a) 3 (b) 3√3 (c) 32/3 (d) 31/3 Answer : C Question. If the surface area of a sphere is 144π, then its radius is (a) 6 cm (b) 8 cm (c) 12 cm (d) 10 cm Answer : A Question. The edge of a cube whose…

CBSE Class 9 Mathematics Surface Areas And Volumes Worksheet Set A

Question. The surface area of a cube whose side is 5 cm is (a) 125 cm2 (b) 28 cm2 (c) 100 cm2 (d) 150 cm2 Answer : D Question. The total surface area of a cone of radius ‘2r’ and slant height ‘l/2’ is (a) 2πr (l + r) (b) πr(l + r/4) (c) πr (4r + l) (d) 2πr Answer : C…