Operators and Expressions – Multiple Choice Questions (MCQs)

1. 37. Which operator has the highest precedence among the following: +, *, ==, &&?

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

2. 38. Which operator has the lowest precedence among the following: =, +, *, !?

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

3. 39. What is the associativity of the arithmetic operators (+, -, *, /)?

   • A. Left-to-right
   • B. Right-to-left
   • C. Depends on the operands
   • D. Not applicable

4. 40. What is the associativity of the assignment operator (=)?

   • A. Left-to-right
   • B. Right-to-left
   • C. Depends on the operands
   • D. Not applicable

5. 41. What is a compound assignment operator in C?

   • A. An operator that performs two operations at once
   • B. An operator that works on complex data types
   • C. An operator with high precedence
   • D. An operator used in loops

6. 42. Which of the following is a valid compound assignment operator in C?

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

7. 43. What is the value of the expression `(2 + 3) * 4`?

   • A. 8
   • B. 14
   • C. 20
   • D. 24

8. 44. What is the value of the expression `2 + 3 * 4`?

   • A. 14
   • B. 20
   • C. 8
   • D. 24

9. 45. Which operator is the ternary operator in C?

   • A. if-else
   • B. switch-case
   • C. ?
   • D. while

10. 46. What is the syntax of the ternary operator in C?

    • A. condition ? true_value : false_value
    • B. if condition then true_value else false_value
    • C. condition : true_value ? false_value
    • D. true_value if condition else false_value

11. 47. What is the value of the expression `(5 > 2) ? 10 : 20`?

    • A. 10
    • B. 20
    • C. 5
    • D. 2

12. 48. What is the value of the expression `(5 < 2) ? 10 : 20`?

    • A. 10
    • B. 20
    • C. 5
    • D. 2