Page 1 Mark the correct alternative in each of the following: 1. Total number of faces of a cuboid is (a) 4 (b) 6 (c) 8 (d) 12 Solution: The option (b) is the correct answer. Total number of faces of a cuboid is 6. 2. Total number of edges of a cuboid is (a) 4 (b) 6 (c) 8 (d) 12 Solution: The option (d) is the correct answer. Total number of edges of a cuboid is 12. 3. Number of vertices of a cuboid is (a) 4 (b) 6 (c) 8 (d) 10 Solution: The option (c) is the correct answer. Number of vertices of a cuboid is 8. 4. Which one of the following is an example of a cuboid? (a) a dice (b) a football (c) a gas pipe (d) an ice-cream cone Solution: The option (a) is the correct answer. Example of a cuboid is a dice. 5. A brick is an example of a (a) cube (b) cuboid (c) prism (d) cylinder Solution: Page 2 Mark the correct alternative in each of the following: 1. Total number of faces of a cuboid is (a) 4 (b) 6 (c) 8 (d) 12 Solution: The option (b) is the correct answer. Total number of faces of a cuboid is 6. 2. Total number of edges of a cuboid is (a) 4 (b) 6 (c) 8 (d) 12 Solution: The option (d) is the correct answer. Total number of edges of a cuboid is 12. 3. Number of vertices of a cuboid is (a) 4 (b) 6 (c) 8 (d) 10 Solution: The option (c) is the correct answer. Number of vertices of a cuboid is 8. 4. Which one of the following is an example of a cuboid? (a) a dice (b) a football (c) a gas pipe (d) an ice-cream cone Solution: The option (a) is the correct answer. Example of a cuboid is a dice. 5. A brick is an example of a (a) cube (b) cuboid (c) prism (d) cylinder Solution: The option (b) is the correct answer. A brick is an example of a cuboid. 6. A gas pipe is an example of a (a) cone (b) a cylinder (c) cube (d) sphere Solution: The option (b) is the correct answer. A gas pipe is an example of a cylinder. 7. If the base radius and height of a right circular cone are 3 cm and 4 cm in lengths, then the slant height is (a) 5 cm (b) 2 cm (c) 25 cm (d) 6 cm Solution: The option (a) is the correct answer. If the base radius and height of a right circular cone are 3 cm and 4 cm in lengths, then the slant height is 5 cm. Slant height = v3 2 + 4 2 = v25 = 5 cm 8. The number of faces of a triangular pyramid is (a) 3 (b) 4 (c) 6 (d) 8 Solution: The option (b) is the correct answer. The number of faces of a triangular pyramid is 4. 9. The number of edges of a triangular pyramid is (a) 3 (b) 4 (c) 6 (d) 8 Solution: The option (c) is the correct answer. The number of edges of a triangular pyramid is 6. 10. A tetrahedron is a pyramid whose base is a (a) triangle (b) square (c) rectangle (d) quadrilateral Page 3 Mark the correct alternative in each of the following: 1. Total number of faces of a cuboid is (a) 4 (b) 6 (c) 8 (d) 12 Solution: The option (b) is the correct answer. Total number of faces of a cuboid is 6. 2. Total number of edges of a cuboid is (a) 4 (b) 6 (c) 8 (d) 12 Solution: The option (d) is the correct answer. Total number of edges of a cuboid is 12. 3. Number of vertices of a cuboid is (a) 4 (b) 6 (c) 8 (d) 10 Solution: The option (c) is the correct answer. Number of vertices of a cuboid is 8. 4. Which one of the following is an example of a cuboid? (a) a dice (b) a football (c) a gas pipe (d) an ice-cream cone Solution: The option (a) is the correct answer. Example of a cuboid is a dice. 5. A brick is an example of a (a) cube (b) cuboid (c) prism (d) cylinder Solution: The option (b) is the correct answer. A brick is an example of a cuboid. 6. A gas pipe is an example of a (a) cone (b) a cylinder (c) cube (d) sphere Solution: The option (b) is the correct answer. A gas pipe is an example of a cylinder. 7. If the base radius and height of a right circular cone are 3 cm and 4 cm in lengths, then the slant height is (a) 5 cm (b) 2 cm (c) 25 cm (d) 6 cm Solution: The option (a) is the correct answer. If the base radius and height of a right circular cone are 3 cm and 4 cm in lengths, then the slant height is 5 cm. Slant height = v3 2 + 4 2 = v25 = 5 cm 8. The number of faces of a triangular pyramid is (a) 3 (b) 4 (c) 6 (d) 8 Solution: The option (b) is the correct answer. The number of faces of a triangular pyramid is 4. 9. The number of edges of a triangular pyramid is (a) 3 (b) 4 (c) 6 (d) 8 Solution: The option (c) is the correct answer. The number of edges of a triangular pyramid is 6. 10. A tetrahedron is a pyramid whose base is a (a) triangle (b) square (c) rectangle (d) quadrilateral Solution: The option (a) is the correct answer. A tetrahedron is a pyramid whose base is a triangle.Read More

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