In the adjoining figure, if the centres of all the circles are joined by horizontal and vertical lines, then find the number of squares that can be formed.

What is the number of straight lines and the number of triangles in the figure given below?

How many triangles and parallelograms are there in the following figure?

How many rectangles are there in the following figure?

In each of the following question, count the number of rectangles in the given figure.

Count the number of pentagons in the adjoining figure.

What is the minimum number of colours required to fill the spaces in the given diagram without any two adjacent spaces having the same colour?

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What is the minimum number of different colours required to paint the figure given below such that no two adjacent regions have the same colour?