Functions and Methods in C Sharp MCQ question and answer with solution

31

What is the purpose of method parameters in C#?

A) To define the return type of the method B) To specify the name of the method C) To pass data to the method D) To specify the access modifier of the method

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Answer & Solution

Answer: Option C

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32

Which of the following access modifiers allows a method to be accessed only within the same assembly in C#?

A) internal B) private C) protected D) public

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Answer & Solution

Answer: Option A

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33

What is the result of the expression Math.Floor(4.6) in C#?

A) 5.6 B) 4.6 C) 5 D) 4

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Answer & Solution

Answer: Option D

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34

What is the correct way to define a method named IsEven that takes an integer parameter num and returns true if the number is even, otherwise false, in C#?

A) IsEven(num) { return num % 2 == 0; } B) bool IsEven = (int num) => num % 2 == 0; C) bool IsEven(int num) { return num % 2 == 0; } D) bool IsEven { return num % 2 == 0; }

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Answer & Solution

Answer: Option C

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35

In C#, which keyword is used to define a method that is implemented in a derived class to provide a specific implementation for a method defined in the base class?

A) abstract B) override C) implement D) None of the above

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Answer & Solution

Answer: Option B

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36

What is the correct way to declare a method named PrintMessage that prints a message to the console without taking any parameters or returning any value in C#?

A) PrintMessage: { Console.WriteLine("Message"); } B) void PrintMessage { Console.WriteLine("Message"); } C) void PrintMessage() { Console.WriteLine("Message"); } D) PrintMessage() { Console.WriteLine("Message"); }

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Answer & Solution

Answer: Option C

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37

In C#, which method is used to convert a string to its uppercase equivalent?

A) ToUpperString() B) UpperCase() C) ConvertToUpperCase() D) ToUpper()

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Answer & Solution

Answer: Option D

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38

What is the purpose of method overloading in C#?

A) To restrict access to methods B) To allow multiple methods with the same parameters C) To allow multiple methods with the same name but different parameters D) To allow multiple methods with the same name

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Answer & Solution

Answer: Option C

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39

What is the correct syntax to define a method named CalculateAverage that calculates the average of an array of integers in C#?

A) CalculateAverage(numbers[]) { return numbers.Average(); } B) double CalculateAverage(numbers[]) { return numbers.Average(); } C) CalculateAverage(int[] numbers) { return numbers.Average(); } D) double CalculateAverage(int[] numbers) { return numbers.Average(); }

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Answer & Solution

Answer: Option D

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40

In C#, which keyword is used to define a method that cannot be overridden in derived classes?

A) sealed B) static C) override D) const

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Answer & Solution

Answer: Option A

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Functions and Methods in C Sharp MCQ question and answer with solution | C# Program MCQs