Ans 1: (Master Answer)
Any four digit odd number with 9 and 3 or 7 and 1 at units place and thousands place respectively
Example- 5731 or 5933
Any four digit odd number with 9 and 3 or 7 and 1 at units place and thousands place respectively
Example- 5731 or 5933
In mathematics, 'e' is a constant that is the base of the natural logarithm. It is the unique number whose natural logarithm is equal to one and its value is approximately 2.71828.