Correct Answer - Option 4 : An irrational number
π = (3.14159265359...) is an irrational number as it can not be expressed in the form of p/q, where p and q are integers and q ≠ 0
Rational Number: A rational number is a number that can be expressed in the form of p/q where p and q are integers and q ≠ 0.
Example:
6 = 6/1 =12/2
0.5 = 5/10 = ½
-0.675 = -675/1000 = 27/40
10/3 = 3.333…
Irrational Number: A irrational number is a number that cannot be expressed in the form of p/q where p and q are integers and q ≠ 0
Example:
π = (3.14159265359...)
√2, √3
Prime Number∶ A prime number is a positive integer greater than one, that can only be exactly divided by the positive integer 1 and itself without leaving a remainder.
Example: 2, 3, 5, 7
Integer∶ An integer is a number that has no fractional part and it can be positive, negative or zero.
Example: -1, 0, 1, 2, 3
