IsOdd

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