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C# QUESTIONS : PART 2

For the given set of code select the relevant solution for conversion of data type.

 

 static void Main(string[] args)

 {

     int num1 = 20000;

     int num2 = 50000;

     long total;

     total = num1 + num2;

     Console.WriteLine("Total is : " +total);

     Console.ReadLine();

 }

Compiler will generate runtime error

Conversion is implicit type, no error generation  

Specifying data type for conversion externally will solve the problem

 None of the mentioned

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Choose the output for the following set of code.

 

 static void Main(string[] args)

 {

     char c = 'g';

     string s = c.ToString();

     string s1 = "I am a human being" + c;

     Console.WriteLine(s1);

     Console.ReadLine();

 }

I am a human bein c

I am a human being 

 am a human being c

I am a human bein

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Which is the String method used to compare two strings with each other ?

Compare To()

Compare()

Copy()

ConCat()

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Correct output for the given C#.NET code is ?

 

static void Main(string[] args)

{

    string s1 = "Delhi";

    string s2;

    s2 = s1.Insert (6, "Jaipur");

    Console.WriteLine(s2);

}

DelhJaipuri

Delhi Jaipur

Delhi

DelhiJaipur  

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Correct output for the C#.NET code given below is :

   string s1 = " I AM BEST ";

   string s2;

   s2 = s1.substring (5, 4);

   Console.WriteLine (s2);

AM BEST

 I AM BES

BEST 

 I AM

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Verbatim string literal is better used for ?

Convenience and better readability of strings when string text consist of backlash characters 

Used to initialize multi line strings

To embed a quotation mark by using double quotation marks inside a verbatim string

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Predict the output for the following set of 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();

 }

106

104.789

105.8546

103.45

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Predict the solution for the following set of 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();

  }

92

89

 90  

88

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Predict the solution for the following set of code .

 

  static void Main(string[] args)

  {

      int a, b, c, x;

      a = 80;

      b = 15;

      c = 2;

      x = a - b / (3 * c) * ( a + c);

      Console.WriteLine(x);

      Console.ReadLine();

  }

78

-84 

80

98

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Select the relevant output for the following set of code:

 

 static void Main(string[] args)

 {

     int a = 4;

     int b = 5;

     int c = 6;

     int d = 8;

     if (((a * b / c) + d) >= ((b * c + d ) / a))

     {

         Console.WriteLine("Line 1 - a is greater to b");

         Console.WriteLine((a * b / c) + d);

     }

     else

     {

         Console.WriteLine("Line 1 - a is not greater to b");

         Console.WriteLine((b * c + d )/ a);

     }

 }

“Line 1 – a is greater to b” 

“Line 1 – a is not greater to b”

 Both are equal

None of the mentioned

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Select the output for the following set of Code:

 

  bool a = true;

  bool b = false;

  a |= b;

  Console.WriteLine(a);

  Console.ReadLine();

0

1

True  

False

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Select the correct ‘if statement’ to be filled in the given set of code :

 

 static void Main(string[] args)

 {

     int []num = {50, 65, 56, 88, 43, 52};

     int even = 0, odd = 0;

     for (int i = 0 ;i < num.Length ;i++)

     {

          /*___________________________*/

     }  

     Console.WriteLine("Even Numbers:" +even);

     Console.WriteLine("Odd Numbers:" +odd);

     Console.ReadLine();

 }

if ((num % 2) == 0)

   {

       even += 1;

   }

   else

   {

       odd += 1;

   }

if((num * i) == 0)

   {

       even += 1;

   }

   else

   {

       odd += 1;

   }

if(num[i] % 2 == 0)

    {

        even += 1;

    }

    else

    {

        odd += 1;

    }

 if(num[i] % 2 = 0)

    {

        even += 1;

    }

    else

    {

        odd += 1;

    }

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What is the output for the following code ?

 

 static void Main(string[] args)

 {

     int a = 15, b = 10, c = 1;

     if (Convert.ToBoolean(a) && (b > c))

     {

         Console.WriteLine("cquestionbank");

     }

     else

     {

         break;

     }

 }

cquestionbank

It will print nothing

 Compile time error 

 Run time error

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