Solid Shapes Quiz - CBSE Class 6 Mathematics

Free practice quiz: Solid Shapes (CBSE Class 6 Mathematics). 15 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is a solid shape?

   1. A flat shape
   2. A three-dimensional shape
   3. A color
   4. An outline
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   Answer: B. A three-dimensional shape

   A solid shape is a three-dimensional shape that has volume and takes up space. Examples include cubes, spheres, and cylinders.

2. What shape is formed when you rotate a rectangle about one of its sides?

   1. Sphere
   2. Cylinder
   3. Cube
   4. Cone
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   Answer: B. Cylinder

   When a rectangle is rotated around one of its sides, it forms a cylindrical shape.

3. Which solid shape has a circular base and a pointed top?

   1. Cube
   2. Cylinder
   3. Cone
   4. Sphere
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   Answer: C. Cone

   A cone is recognized by its circular base that tapers smoothly to a point or apex.

4. If a sphere has a radius of 3 cm, what is its surface area?

   1. 9π cm²
   2. 36π cm²
   3. 18π cm²
   4. 27π cm²
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   Answer: B. 36π cm²

   The surface area of a sphere can be calculated using the formula A = 4πr². For a sphere with a radius of 3 cm, A = 4π(3)² = 36π cm².

5. What is the relationship of edges and faces in a polyhedron?

   1. Faces + Edges = Vertices + 2
   2. Faces - Edges = Vertices + 1
   3. Vertices + Faces = Edges + 3
   4. Edges - Faces = Vertices + 3
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   Answer: A. Faces + Edges = Vertices + 2

   This is a form of Euler's formula, which states that for any convex polyhedron, the relation is Faces + Edges = Vertices + 2.

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