Operators and Expressions in C Sharp MCQ question and answer with solution | C# Program MCQs

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53.
What will be the output of the following C# code?
public static void Main() 
{
    byte varA = 10;
    byte varB = 20;
    long result = varA | varB; 
    Console.WriteLine("{0}  OR  {1} Result :{2}", varA, varB, result);
    varA = 10;
    varB = 10;
    result = varA | varB;  
    Console.WriteLine("{0}  OR  {1} Result : {2}", varA, varB, result);
}

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54.
What will be the output of the following C# code?
static void Main(string[] args)
{
     int a, b, c, x;
     a = 90;
     b = 15;
     c = 3;
     x = a - b / 3 + c * 2 - 1;
     Console.WriteLine(x);
     Console.ReadLine();
}

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55.
What will be the output of the following C# code?
static void Main(string[] args)
{
    float a = 16.4f;
    int b = 12;
    float c;
    c =  a * ( b + a) / (a - b) ;
    Console.WriteLine("result is :" +c);
    Console.ReadLine();
}

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56.
Check the following C# code whether the given relation operator works according to the if condition or not.
static void Main(string[] args)
{
    int a = 10;
    int b = 5;
    int c = 12; 
    int e = 8;
    int d;
    d = Convert.ToInt32((a * (c - b) / e + (b + c)) <= (e * (c + a) / (b + c) + a));
    Console.WriteLine(d);
    if (d == 1)
    {
        Console.WriteLine("C# is great language!");
        Console.WriteLine((a * (c - b) / e + (b + c)));
    }
    else
    {
        Console.WriteLine("harsh is not great language!");
        Console.WriteLine((e * (c + a) / (b + c) + a));
    }
}

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57.
What will be the output of the following C# code?
public static void Main(string[] args)
{
    int a = 4;
    int c = 2;
    bool b = (a % c == 0 ? true : false);
    Console.WriteLine(b.ToString());
    if (a/c == 2)
    {
        Console.WriteLine("true");
    }
    else
    {
        Console.WriteLine("false");
    }
    Console.ReadLine();
}

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58.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int a = 3, b = 5, c = 1;
    int z = ++b;
    int y = ++c;
    b = Convert.ToInt32((Convert.ToBoolean(z)) && (Convert.ToBoolean(y)) 
     || Convert.ToBoolean(Convert.ToInt32(!(++a == b))));
    a = Convert.ToInt32(Convert.ToBoolean(c) || Convert.ToBoolean(a--));
    Console.WriteLine(++a);
    Console.WriteLine(++b);
    Console.WriteLine(c);
}

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59.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int a = 8, b = 6, c = 10;
    int d = a * c * 2 / Convert.ToInt32(Math.Pow ((c - b), 2));
    if (d == (c = Convert.ToInt32(Math.Sqrt (a * a + b * b))) && c == 10)
    {
        Console.WriteLine("figure is hypotenuse");
    }
    else
    {
       Console.WriteLine("figure is square");
    }
}

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60.
What will be the output of the following C# code?
static void Main(string[] args)
{
    int n = 5;
    int x = 4;
    int z, c, k;
    for (c = 1; c <= n; c++)
    {
        for (k = 1; k <= c; k++)
    {
        z = 3 * x * x + 2 * x + 4 / x + 8;
        Console.Write(Convert.ToString(Convert.ToChar(z)));
    }
        Console.WriteLine("\n");
    }
    Console.ReadLine();
}

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