Understanding Three Dimensional Shapes Objective Type Questions Class 6 Notes | EduRev

Mathematics (Maths) Class 6

Class 6 : Understanding Three Dimensional Shapes Objective Type Questions Class 6 Notes | EduRev

 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. 
 
 
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