How many lines of symmetry does an equilateral triangle have?

1. 1

2. 2

3. 3

4. 4

What is the perimeter of a square with side 8 cm?

1. 16 cm

2. 24 cm

3. 32 cm

4. 64 cm

The average (mean) of the first five even numbers is

1. 6

2. 7

3. 8

4. 5

In the number 846793, insert commas appropriately and write the number names:

(a) In the Indian system (b) In the International system