Geometry - 2 - Free MCQ Practice Test with solutions, Class 3 Mathematics

It is closed shape.

In this figure there are 8 triangles.
 

4. Circle

Explanation:

• Cone, Cube, and Cylinder are all 3-dimensional shapes.
• Circle is a 2-dimensional shape.

Thus, Circle is the odd one out.

A. A dice → Cube

• A dice is a classic example of a cube because it has six equal square faces. Each face of the dice is a square, and all the edges are of equal length.

B. A pencil box → Cuboid

• A pencil box usually has a cuboid shape, which means it has rectangular faces. Unlike a cube, the length, width, and height of a cuboid are generally different.

C. A Black-board → Rectangle

• A blackboard has a flat surface, and it is generally rectangular in shape, with two opposite sides longer than the other two. This makes it a perfect example of a rectangle.

D. A Birthday cap → Cone

• A birthday cap has a conical shape. It has a circular base and a pointed top, which are the main features of a cone.

E. A Bottle cap → Circle

• A bottle cap is typically circular when viewed from above. It has a round shape, making it an example of a circle.

Two edges. A cylinder is a three-dimensional shape. Therefore, a cylinder has two linear faces and one curved face. It has two edges, each corresponding to the bottom and the upper face.