0there are different types of numbers
1) Whole Number: the numbers which start from 0 eg, 0,1,2,3,..... Upto infinity . They are denoted by W. They are positive number
2) Natural Number: The numbers which start from 1 i.e. 1,2,3...... Upto infinity. They are denoted by N. They also include only positive number
3) Integers: It contains positive and negative numbers both, also include zero. Eg, -1,-26,0,5,45,etc. They are denoted by Z
4) Rational Number: Number which can be written in p/q form where p and q both are integers and q should not be equal to zero.
Eg, -3 yes it is a rational number because it can be written in p/q form as -3/1
They are denoted by Q
