Returns true if the given number is odd, false otherwise.

Check whether a number is odd or even using the modulo (%) operator.
Return true if the number is odd, false if the number is even.


public static partial class _30s 
  public static bool IsOdd(int n) 
    return n % 2 != 0;


_30s.IsOdd(3); // true
_30s.IsOdd(4); // false