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Welcome to the Collection Classes and Mathematical Functions MCQs Page

Dive deep into the fascinating world of Collection Classes and Mathematical Functions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Collection Classes and Mathematical Functions, a crucial aspect of C# programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Collection Classes and Mathematical Functions, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within C# programming.

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Check out the MCQs below to embark on an enriching journey through Collection Classes and Mathematical Functions. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of C# programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Collection Classes and Mathematical Functions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Collection Classes and Mathematical Functions MCQs | Page 4 of 5

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Q31.
What will be the output of the given code snippet?
class Program
 {
     static void Main(string[] args)
     {
         double x = 2.0;  
         double y = 3.0;
         double z = Math.Pow( x, y );
         Console.WriteLine(z);
         Console.ReadLine();
     }
 }
Discuss
Answer: (c).8
Q32.
What will be the output of the given code snippet?
class Program
 {
     static void Main(string[] args)
     {
         double x = 4.772;
         double y = 4.76;
         double z = Math.Max(x, y);
         Console.WriteLine(z);
         Console.ReadLine();
     }
 }
Discuss
Answer: (c).4.772
Q33.
What is the value of double constant โ€˜Eโ€™ defined in Math class?
Discuss
Answer: (c).approximately 2.72
Q34.
What will be the output of the given code snippet?
public class A
 {
     public int x;
     public int y;
     public void display() 
     {
         Console.WriteLine(x + " " + y);
     }
 }
 class Program
 {
     static void Main(string[] args)
     {
         A obj1 = new A();
         A obj2 = new A();
         obj1.x = 1;
         obj1.y = 2;
         obj2 = obj1;
         obj1.display();
         obj2.display();
     }
 }
Discuss
Answer: (b).1 2 1 2
Q35.
What will be the output of the given code snippet?
class Program
{
    static void Main(string[] args)
    {
        int[] nums = { 1 };
        var posNums = from n in nums
                      select Math.Pow(4 ,3);
        Console.Write("The values in nums: ");
        foreach (int i in posNums) 
        Console.Write(i + " ");
        Console.WriteLine();
        Console.ReadLine();
    }
}
Discuss
Answer: (b).64
Q36.
What will be the output of the given code snippet?
class Program
{
    static void Main(string[] args)
    {
        float x = 3.14F;
        int y = (int)Math.Abs(x);
        Console.WriteLine(y);
        Console.ReadLine();
    }
}
Discuss
Answer: (c).3
Q37.
What will be the output of the given code snippet?
class Program
{
    static void Main(string[] args)
    {
        int x = 5;
        int y = (int)Math.Pow(x,2);
        int z = (int)Math.Pow(y, 2);
        Console.WriteLine(z);
        Console.ReadLine();
    }
}
Discuss
Answer: (b).625
Q38.
What will be the output of the given code snippet?
class Program
 {
     static void Main(string[] args)
     {
         int[] nums = {3 ,1 ,2 ,5 ,4};
         var ltAvg = from n in nums
                     let x = nums.Average()
                     where n < x
                     select n;
         Console.WriteLine("The average is " + nums.Average());
         Console.ReadLine();
     }
 }
Discuss
Answer: (b).3
Q39.
What will be the output of the given code snippet?
class Program
{
    static void Main(string[] args)
    {
        int y = (int)Math.Max(4,2);
        int z = (int)Math.Pow(y, 2);
        Console.WriteLine(z);
        Console.ReadLine();
    }
}
Discuss
Answer: (c).16
Q40.
Which among the given classes provides types of rounding functions?
Discuss
Answer: (a).Math
Page 4 of 5

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