C - Operators and Expressions Questions and Answers

Operators and expressions are the core of performing calculations and logic in C programs. This section features C programming questions and answers focusing on arithmetic, relational, logical, bitwise, and assignment operators. Designed for TCS, Infosys, and Capgemini aspirants, these MCQs test both concept clarity and coding accuracy. Practicing these C Operators and Expressions questions with answers helps you strengthen your understanding of how C executes and evaluates expressions—essential for both programming interviews and technical exams.

C - Operators and Expressions

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11.  Assume c1 and c2 as char variables. if C1='A'; c2='2'' what ar the results of the statements putchar (C1 + 3) andputchar (C2 - 1))?

D, 1
C, 2
d, 1
c, 1

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12.  Which is not a valid expression ?

+0XAB5
-0525
15-
+a

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13.  Which is not a valid expression ?

-p++
++p--
++6
++x++

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14.  Which is not a valid expression ?

++(a + )
y--
-- x --
++p+q

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15.  The equality operator isrepresented by 

:=
.EQ.
=
==

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16.  Identify the logical operator. 

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17.  Identify the relational operator. 

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18.  The number of bitwise operators in C is 

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19.  The number of bitwise operators in C is 

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20. The symbol of bitwise AND operator is 

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C - Operators and Expressions Questions and Answers

C - Operators and Expressions

11. &nbsp;Assume c1 and c2 as char variables. if C1='A'; c2='2'' what ar the results of the statements putchar (C1 + 3) andputchar (C2 - 1))?

12. &nbsp;Which is not a valid expression ?

13. &nbsp;Which is not a valid expression ?

14. &nbsp;Which is not a valid expression ?

15. &nbsp;The equality operator isrepresented by&nbsp;

16. &nbsp;Identify the logical operator.&nbsp;

17. &nbsp;Identify the relational operator.&nbsp;

18. &nbsp;The number of bitwise operators in C is&nbsp;

19. &nbsp;The number of bitwise operators in C is&nbsp;

20. The symbol of bitwise AND operator is&nbsp;

C Language

11. Assume c1 and c2 as char variables. if C1='A'; c2='2'' what ar the results of the statements putchar (C1 + 3) andputchar (C2 - 1))?

12. Which is not a valid expression ?

13. Which is not a valid expression ?

14. Which is not a valid expression ?

15. The equality operator isrepresented by

16. Identify the logical operator.

17. Identify the relational operator.

18. The number of bitwise operators in C is

19. The number of bitwise operators in C is

20. The symbol of bitwise AND operator is