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c. d.

4. Count the number of square corners, less than square corners and more than square
corners in the figure given below.

5. Count and write how many shapes have curved surfaces and plane surfaces and name
each solid.

Mental Maths

21 st
Choose the correct option. Century #Computational Thinking
Skills
1. Which of the following has no edge ?
a. Sphere b. Cone c. Cylinder d. Cube

2. How many rectangles are there in the adjacent figure?
a. 5 b. 3

c. 6 d. 4
3. How many triangles are there in the adjacent figure?

a. 4 b. 5
c. 6 d. 2

4. How many edges does a cylinder have ?

a. 2 b. 4 c. 3 d. 0

136 Mathematics 3