The objective-type questions are present at the end of each chapter to help students self-analyse their performance. The students can gain an overall idea about the concepts which are covered in this chapter by answering the objective-type questions. The solutions contain important formulae and shortcuts which are used in solving the problems to make it easier for the students during exam preparation. The students can access RD Sharma Solutions Class 6 Maths Chapter 16 Understanding Three-Dimensional Shapes Objective Type Questions PDF for free from the links, which is provided below.
RD Sharma Solutions for Class 6 Maths Chapter 16: Understanding Three-Dimensional Shapes Objective Type Questions
Access answers to Maths RD Sharma Solutions for Class 6 Chapter 16: Understanding Three-Dimensional Shapes Objective Type Questions
Objective Type Questions page: 16.9
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:
Option (b) is the correct answer.
The 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:
Option (d) is the correct answer.
The 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:
Option (c) is the correct answer.
The 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:
Option (a) is the correct answer.
An example of a cuboid is a dice.
5. A brick is an example of a
(a) cube (b) cuboid (c) prism (d) cylinder
Solution:
Option (b) is the correct answer.
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:
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 length, then the slant height is
(a) 5 cm (b) 2 cm (c) 25 cm (d) 6 cm
Solution:
Option (a) is the correct answer.
If the base radius and height of a right circular cone are 3 cm and 4 cm in length, then the slant height is 5 cm.
Slant height = √32 + 42 = √25 = 5 cm
8. The number of faces of a triangular pyramid is
(a) 3 (b) 4 (c) 6 (d) 8
Solution:
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:
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:
Option (a) is the correct answer.
A tetrahedron is a pyramid whose base is a triangle.
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