Basic Syntax and Data Types in C Sharp MCQ question and answer with solution | C# Program MCQs

static void Main(string[] args)
{
    float sum;
    int i;
    sum = 0.0F;
    for (i = 1; i <= 10; i++)
    {
        sum = sum + 1 /(float)i;
    }
    Console.WriteLine("sum =" +sum);
    Console.ReadLine();
}

static void Main(string[] args)
{
    int a = 5;
    int b = 10;
    int c;
    Console.WriteLine(c = a-- - ++b);
    Console.WriteLine(b);
    Console.ReadLine();
}

static void Main(string[] args)
{
    string Str,  Revstr = " "; 
    int Length;
    Console.Write("Enter A String : ");
    Str = Console.ReadLine();
    Length = Str.Length - 1;
    while (Length >= 0)
    {
        Revstr = Revstr + Str[Length];
        Length --;
    }
    Console.WriteLine("Reverse  String  Is  {0}",  Revstr);
    Console.ReadLine();
}

1. Myclass class;
   Myclass class2 = null;

2. int i;
   int j = 0;