Control Flow Statements in C Sharp MCQ question and answer with solution | C# Program MCQs

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71.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int i = 10 , j = 0;
    label:
    i--;
    if ( i > 0)
    {
        Console.WriteLine(i+ " ");
        goto label;
    }
    Console.ReadLine();
}

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72.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int i= 0,k;
    label: Console.WriteLine(i);
    if (i == 0)
        goto label;
    Console.ReadLine();
}

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73.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int I, X;
    for (I = 1; I <= (9 % 2 + I); I++)
    {
        X = (I * 3 + I * 2) / I;
        Console.WriteLine(X);
    }
    Console.ReadLine();
}

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74.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int i, j;
    for (i = 2; i >= 0; i--)
    {
        for (j = 0; j <= 2; j++)
        {
            if (i == j)
            {
                Console.WriteLine("1");
            }
            else
            {
                Console.WriteLine("0");
            }
       }
       Console.WriteLine("\n");
       Console.ReadLine();
    }
}

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75.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int i = 0, j = 0;
    while (i < 2)
    {
        l1: i--;
        while (j < 2)
        {
            Console.WriteLine("hi\n");
            goto l1;
        }
    }
    Console.ReadLine();
}

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76.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int i = 30;
    int j = 25 % 25;
    if (Convert.ToBoolean(Convert.ToInt32(i = j)))
    {
        Console.WriteLine("In if");
    }
    else
    {
        Console.WriteLine("In else");
    }
    Console.WriteLine("In main");
    Console.ReadLine();
}

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77.
Select the output for the following set of code :
static void Main(string[] args)
{
    int a = 0;
    int i = 0;
    int b;
    for (i = 0; i < 5; i++)
    {
         a++;
         Console.WriteLine("Hello \n");
         continue;
    }
    Console.ReadLine();
}

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78.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int i, j;
    for (i = 1; i <= 3; i++)
    {
        j = 1;
        while (i % j == 2)
        {
            j++;
        }
        Console.WriteLine(i + " " + j);
    }
    Console.ReadLine();
}

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79.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int n, r;
    n = Convert.ToInt32(Console.ReadLine());
    while (n > 0)
    {
        r = n % 10;
        n = n / 10;
        Console.WriteLine(+r);
    }
    Console.ReadLine();
}
for n = 5432.

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80.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int a = 5, b = 10;
    if (Convert.ToBoolean(Convert.ToInt32(0xB)))
    if (Convert.ToBoolean(Convert.ToInt32(022)))
    if (Convert.ToBoolean(Convert.ToInt32('\xeb')))
    Console.WriteLine("java");
    else ;
    else ;
    else ;
}

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