31. In C#, what is the purpose of the 'this' keyword? A. Accesses global variables B. Declares a new object C. Indicates static members D. Refers to the current instance Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
32. Which keyword is used to explicitly derive one class from another in C#? A. extends B. inherit C. superclass D. : Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
33. What is the result of the expression 3 / 2 in C#? A. 1.5 B. 2 C. 1 D. 0.5 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
34. What is the maximum value that an int data type can hold in C#? A. 2^63 - 1 B. 2^31 - 1 C. 2^64 - 1 D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
35. Which of the following is NOT a comparison operator in C#? A. >= B. != C. === D. == Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
36. What is the keyword used to declare a method that does not return a value in C#? A. null B. none C. return D. void Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
37. In C#, how do you create a single-line comment? A. -- B. # C. // D. /* */ Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
38. What is the correct way to declare an array in C#? A. int array = new int[5]; B. array = new int[5]; C. int array[] = new int[5]; D. int[] array = new int[5]; Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
39. Which of the following is NOT a valid method of string concatenation in C#? A. str1 + str2 B. str1.concat(str2) C. str1.Append(str2) D. str1 += str2 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
40. What does the 'params' keyword do in C# method parameters? A. Allows variable number of arguments B. Restricts the number of arguments C. Declares constant parameters D. Indicates static method Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
