Functions And Methods In C Sharp — Part 1 MCQs with Explanations
Practice high-yield Programming & Software Development MCQs on Functions And Methods In C Sharp — Part 1 with worked academic solutions for FPSC, PPSC, NTS, NITB, PTS.
Questions
40
Difficulty Level
Exam-Level
Target Exams
FPSC, PPSC, NTS...
Estimated Time
48 mins
Exam-Level FPSC PPSC NTS NITB PTS
Verified for Commission Syllabus • Oct 14, 2026
40
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Interactive test mode with detailed academic worked solutions
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🎉 Set complete! All 40 questions answered.
Question 1 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the keyword used to define a function in C#?
Correct Answer: Option C — method
Detailed Academic Explanation:
method is the correct answer to “What is the keyword used to define a function in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 2 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of a return type in a method declaration in C#?
Correct Answer: Option B — To specify the type of data returned by the method
Detailed Academic Explanation:
To specify the type of data returned by the method is the correct answer to “What is the purpose of a return type in a method declaration in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 3 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
In C#, which keyword is used to define a method that does not return a value?
Correct Answer: Option C — void
Detailed Academic Explanation:
void is the correct answer to “In C#, which keyword is used to define a method that does not return a value”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 4 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the correct syntax to declare a method named Add that takes two integer parameters and returns their sum in C#?
Correct Answer: Option D — int Add(int num1, int num2)
Detailed Academic Explanation:
int Add(int num1, int num2) is the correct answer to “What is the correct syntax to declare a method named Add that takes two integer parameters and returns their sum in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 5 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
Which of the following statements is true regarding method overloading in C#?
Correct Answer: Option D — Methods must have the same signature
Detailed Academic Explanation:
Methods must have the same signature is the correct answer to “Which of the following statements is true regarding method overloading in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 6 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of the params keyword in C# method parameters?
Correct Answer: Option A — To specify that a method can accept a variable number of arguments
Detailed Academic Explanation:
To specify that a method can accept a variable number of arguments is the correct answer to “What is the purpose of the params keyword in C# method parameters”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 7 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the access modifier used to define a method that can be accessed from any class in the same assembly in C#?
Correct Answer: Option D — internal
Detailed Academic Explanation:
internal is the correct answer to “What is the access modifier used to define a method that can be accessed from any class in the same assembly in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 8 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
Which of the following is NOT a valid parameter passing mechanism in C#?
Correct Answer: Option C — Pass by pointer
Detailed Academic Explanation:
Pass by pointer is the correct answer to “Which of the following is NOT a valid parameter passing mechanism in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 9 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the correct way to call a method named CalculateArea with parameters width and height in C#?
Correct Answer: Option B — CalculateArea(int width, int height)
Detailed Academic Explanation:
CalculateArea(int width, int height) is the correct answer to “What is the correct way to call a method named CalculateArea with parameters width and height in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 10 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the result of the expression Math.Max(10, 20) in C#?
Correct Answer: Option B — 20
Detailed Academic Explanation:
20 is the correct answer to “What is the result of the expression Math.Max(10, 20) in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 11 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of the out keyword in C# method parameters?
Correct Answer: Option C — To specify that a parameter is an output parameter
Detailed Academic Explanation:
To specify that a parameter is an output parameter is the correct answer to “What is the purpose of the out keyword in C# method parameters”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 12 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
In C#, which keyword is used to exit from a method without returning any value?
Correct Answer: Option B — return
Detailed Academic Explanation:
return is the correct answer to “In C#, which keyword is used to exit from a method without returning any value”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 13 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the correct way to define a method named PrintMessage that does not take any parameters and does not return any value in C#?
Correct Answer: Option D — void PrintMessage()
Detailed Academic Explanation:
void PrintMessage() is the correct answer to “What is the correct way to define a method named PrintMessage that does not take any parameters and does not return any value in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 14 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of method parameters in C#?
Correct Answer: Option C — To pass data to the method
Detailed Academic Explanation:
To pass data to the method is the correct answer to “What is the purpose of method parameters in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 15 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the correct way to define a method named GetSquare that takes an integer parameter num and returns its square in C#?
Correct Answer: Option C — int GetSquare(int num)
Detailed Academic Explanation:
int GetSquare(int num) is the correct answer to “What is the correct way to define a method named GetSquare that takes an integer parameter num and returns its square in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 16 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of the static keyword when applied to a method in C#?
Correct Answer: Option B — To make the method accessible without creating an instance
Detailed Academic Explanation:
To make the method accessible without creating an instance is the correct answer to “What is the purpose of the static keyword when applied to a method in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 17 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the correct way to define a method named CalculateSum that takes two integers as parameters and returns their sum in C#?
Correct Answer: Option C — int CalculateSum(int num1, int num2)
Detailed Academic Explanation:
int CalculateSum(int num1, int num2) is the correct answer to “What is the correct way to define a method named CalculateSum that takes two integers as parameters and returns their sum in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 18 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
In C#, which access modifier is used to restrict access to a method within the same class or derived classes?
Correct Answer: Option C — private
Detailed Academic Explanation:
private is the correct answer to “In C#, which access modifier is used to restrict access to a method within the same class or derived classes”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 19 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the return type of a method that does not return any value in C#?
Correct Answer: Option D — void
Detailed Academic Explanation:
void is the correct answer to “What is the return type of a method that does not return any value in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 20 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
In C#, which keyword is used to define a method that belongs to a class and can be called without creating an instance of the class?
Correct Answer: Option A — static
Detailed Academic Explanation:
static is the correct answer to “In C#, which keyword is used to define a method that belongs to a class and can be called without creating an instance of the class”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 21 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the result of the expression Math.Round(4.5) in C#?
Correct Answer: Option B — 5
Detailed Academic Explanation:
5 is the correct answer to “What is the result of the expression Math.Round(4.5) in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 22 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the correct syntax to declare a method named PrintMessage that prints a message to the console without returning any value in C#?
Correct Answer: Option D — void PrintMessage() { Console.WriteLine("Message"); }
Detailed Academic Explanation:
void PrintMessage() { Console.WriteLine("Message"); } is the correct answer to “What is the correct syntax to declare a method named PrintMessage that prints a message to the console without returning any value in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 23 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
In C#, which keyword is used to define a method that cannot be overridden in derived classes?
Correct Answer: Option C — sealed
Detailed Academic Explanation:
sealed is the correct answer to “In C#, which keyword is used to define a method that cannot be overridden in derived classes”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 24 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of method overloading in C#?
Correct Answer: Option C — To allow methods with the same name but different signatures
Detailed Academic Explanation:
To allow methods with the same name but different signatures is the correct answer to “What is the purpose of method overloading in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 25 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the correct way to declare a method named GetAbsoluteValue that takes an integer parameter num and returns its absolute value in C#?
Correct Answer: Option B — int GetAbsoluteValue(int num) { return Math.Abs(num); }
Detailed Academic Explanation:
int GetAbsoluteValue(int num) { return Math.Abs(num); } is the correct answer to “What is the correct way to declare a method named GetAbsoluteValue that takes an integer parameter num and returns its absolute value in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 26 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
In C#, which method is used to convert a string representation of a number to its integer equivalent?
Correct Answer: Option C — int.Parse()
Detailed Academic Explanation:
int.Parse() is the correct answer to “In C#, which method is used to convert a string representation of a number to its integer equivalent”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 27 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the correct syntax to define a method named CalculateArea that calculates the area of a rectangle with length and width parameters in C#?
CalculateArea(double length, double width) { return length * width; } is the correct answer to “What is the correct syntax to define a method named CalculateArea that calculates the area of a rectangle with length and width parameters in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 28 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
In C#, which keyword is used to define a method that can be overridden in derived classes?
Correct Answer: Option D — override
Detailed Academic Explanation:
override is the correct answer to “In C#, which keyword is used to define a method that can be overridden in derived classes”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 29 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the correct way to call a method named PrintName with a string parameter name in C#?
Correct Answer: Option B — PrintName(name: "John")
Detailed Academic Explanation:
PrintName(name: "John") is the correct answer to “What is the correct way to call a method named PrintName with a string parameter name in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 30 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
Which of the following access modifiers allows a method to be accessed only within the same assembly in C#?
Correct Answer: Option A — internal
Detailed Academic Explanation:
internal is the correct answer to “Which of the following access modifiers allows a method to be accessed only within the same assembly in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 31 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the result of the expression Math.Floor(4.6) in C#?
Correct Answer: Option D — 4
Detailed Academic Explanation:
4 is the correct answer to “What is the result of the expression Math.Floor(4.6) in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 32 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
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#?
Correct Answer: Option C — bool IsEven(int num) { return num % 2 == 0; }
Detailed Academic Explanation:
bool IsEven(int num) { return num % 2 == 0; } is the correct answer to “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#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 33 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
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?
Correct Answer: Option B — override
Detailed Academic Explanation:
override is the correct answer to “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”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 34 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
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#?
Correct Answer: Option C — void PrintMessage() { Console.WriteLine("Message"); }
Detailed Academic Explanation:
void PrintMessage() { Console.WriteLine("Message"); } is the correct answer to “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#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 35 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
In C#, which method is used to convert a string to its uppercase equivalent?
Correct Answer: Option D — ToUpper()
Detailed Academic Explanation:
ToUpper() is the correct answer to “In C#, which method is used to convert a string to its uppercase equivalent”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 36 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the correct syntax to define a method named CalculateAverage that calculates the average of an array of integers in C#?
double CalculateAverage(int[] numbers) { return numbers.Average(); } is the correct answer to “What is the correct syntax to define a method named CalculateAverage that calculates the average of an array of integers in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 37 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the return type of the IndexOf() method when applied to a string in C#?
Correct Answer: Option D — int
Detailed Academic Explanation:
int is the correct answer to “What is the return type of the IndexOf() method when applied to a string in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 38 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the correct syntax to define a method named GetMax that takes two integer parameters num1 and num2 and returns the maximum of the two numbers in C#?
Correct Answer: Option B — int GetMax(int num1, int num2) { return Math.Max(num1, num2); }
Detailed Academic Explanation:
int GetMax(int num1, int num2) { return Math.Max(num1, num2); } is the correct answer to “What is the correct syntax to define a method named GetMax that takes two integer parameters num1 and num2 and returns the maximum of the two numbers in C#”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 39 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
Which of these methods is executed first before execution of any other thing that takes place in a program?
Correct Answer: Option C — static method
Detailed Academic Explanation:
static method is the correct answer to “Which of these methods is executed first before execution of any other thing that takes place in a program”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
Question 40 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
Which of these can be used to differentiate two or more methods having same name?
Correct Answer: Option D — All of the mentioned
Detailed Academic Explanation:
All of the mentioned is the correct answer to “Which of these can be used to differentiate two or more methods having same name”. This question is standard in competitive examination syllabi for Functions And Methods In C Sharp.
💡Key Conceptual Anchor:Functions And Methods In C Sharp
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💡Examiner's Advisory for Programming & Software Development
In competitive commission exams (FPSC, PPSC, KPPSC, SPSC, CSS, PMS), questions are frequently phrased with distractor options designed to catch rote learners. Whenever you answer an MCQ, read the Detailed Academic Explanation and Conceptual Anchor to understand why the remaining options are incorrect.