Operators and Expressions – Multiple Choice Questions (MCQs)

1. 61. Which operator is used to get the address of a variable in C?

   • A. *
   • B. &
   • C. ->
   • D. .

2. 62. Which operator is used to access members of a structure through a pointer in C?

   • A. .
   • B. &
   • C. *
   • D. ->

3. 63. Which operator is used to access members of a structure directly in C?

   • A. ->
   • B. &
   • C. *
   • D. .

4. 64. What is the value of the expression `5 / 2.0` in C?

   • A. 2
   • B. 2.5
   • C. 2
   • D. 3

5. 65. What is the value of the expression `(float) 5 / 2` in C?

   • A. 2
   • B. 2.5
   • C. 2
   • D. 3

6. 66. What is the value of the expression `5 / (float) 2` in C?

   • A. 2
   • B. 2.5
   • C. 2
   • D. 3

7. 67. What is the value of the expression `(int) 5.7` in C?

   • A. 5.7
   • B. 6
   • C. 5
   • D. 0

8. 68. What is the value of the expression `(int) -5.7` in C?

   • A. -5.7
   • B. -6
   • C. -5
   • D. 0

9. 69. Which operator is used for the comma operator in C?

   • A.
   • B.
   • C. ;
   • D. .

10. 70. What is the purpose of the comma operator in C?

    • A. To separate function arguments
    • B. To separate variable declarations
    • C. To evaluate expressions from left to right and return the value of the rightmost expression
    • D. To terminate a statement

11. 71. What is the value of the expression `(a = 5, b = 10, a + b)`?

    • A. 5
    • B. 10
    • C. 15
    • D. 20

12. 72. Which of the following is a relational operator?

    • A. +
    • B. *
    • C. =
    • D. ==