If you want square of any number which ends with 5 for 2 digit then Example: (25) ²= 625 Multiple last digit by itself which is 5x5=25 Then multiply the first digit by its next number like 2x3=6 So...
Natural Numbers: The set of counting numbers is called natural numbers. It is denoted by N, where N = {1,2,3, …..} Whole Numbers: when zero is included in the set of natural numbers, then it is...