51. The curved surface area and volume of a cylindrical object are 88 cm2 and 132 cm3, respectively. The height (in cm) of the cylindrical object is:
52. The ratio of weights of two spheres of different materials is 8 : 17 and the ratio of weights per 1 cc of materials of each is 289 : 64. The ratio of radii of the two spheres is
53. The base of a right prism is a trapezium. The length of the parallel sides are 8 cm and 14 cm and the distance between the parallel sides is 8 cm. If the volume of the prism is 1056 cm3, then the height of the prism is
54. Determine the total surface area of a hemisphere closed at bottom. Radius of the hemisphere is $$\sqrt {\frac{{25}}{\pi }} $$ unit.
55. A cylindrical tube, open at both ends, is made of a metal sheet which is 0.5 cm thick. Its outer radius is 4 cm and length is 2 m. How much metal (in cm3) has been used in making the tube?
56. If the height of a cylinder is 4 times its circumference, the volume of the cylinder in terms of its circumference, $$c$$ is
57. The areas of three consecutive faces of a cuboid are 12 cm2, then the volume (in cm3) of the cuboid is
58. The ratio of the height and the diameter of a right circular cone is 6 : 5 and its volume is $$\frac{{2200}}{7}{\text{ c}}{{\text{m}}^3}.$$ What is its slant height? $$\left( {{\text{Take }}\pi = \frac{{22}}{7}} \right)$$
59. A sphere of maximum volume is cut out from a solid hemisphere. What is the ratio of the volume of the sphere to that of the remaining solid?
60. A cube of edge 6 cm is painted on all sides and then cut into unit cubes. The number of unit cubes with no sides painted is
Read More Section(Mensuration 3D)
Each Section contains maximum 100 MCQs question on Mensuration 3D. To get more questions visit other sections.