In a cylinder, if radius is halved and height is doubled, the volume will be
The radius of a sphere is 2r, then its volume will be
The total surface area of a cube is 96 cm². The volume of the cube is:
A cone is 8.4 cm high, and the radius of its base is 2.1 cm. It is melted and recast into a sphere. The radius of the sphere is:
In a cylinder, radius is doubled, and height is halved, curved surface area will be
The total surface area of a cone whose radius is r/2 and slant height 2l is
The radii of two cylinders are in the ratio of 2:3 and their heights are in the ratio of 5:3. The ratio of their volumes is:
The lateral surface area of a cube is 256 m². The volume of the cube is
The number of planks of dimensions (4 m × 50 cm × 20 cm) that can be stored in a pit which is 16 m long, 12m wide and 4 m deep is
The length of the longest pole that can be put in a room of dimensions (10 m × 10 m × 5m) is
Additional Information about Quiz on Chapter – Surface Areas & Volumes | CBSE Class 9 Mathematics:
This quiz is based on Exemplar Problems and other important questions from the "Surface Areas & Volumes" chapter of the Mathematics subject for CBSE NCERT Class 9 (IX). It covers key concepts such as calculating the surface area and volume of different 3D shapes like cubes, cylinders, cones, spheres, and hemispheres. These questions help students apply formulas, solve real-life problems, and enhance their problem-solving skills. For more such resources, visit the official NCERT website.
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