The document lists various sets, including fruits, instruments, shapes, and celestial bodies, along with number sets that represent different mathematical concepts such as infinity, integers, even and odd numbers, prime numbers, and perfect squares. These sets illustrate basic mathematical groupings and properties. The content suggests a focus on categorization within mathematics.

2. Set of Fruits

3. Set of
Instruments

4. Set of
Shapes or
Figures

5. Set of
Heavenly
Bodies

12. {- ∞, + ∞ }
{ 0, 1, 2, 3 ,4,5,6 ….}
{1, 2, 3 , 4, 5, ….}
{ 2,4,6,8,10,12 ….}
{1,3,5,7,9,11….}

13. { 2,3 ,5 ,7 ,11….}
{ 4, 6 ,8 ,9 ,10….}
{ 1, 4,9 ,16, 25 ….}
{ skip counting by}
{ numbers which can be divided without
remainder}