Operators Interview Questions

    Question 1: Relational Operators

    Which of the following statements is true in C?

    Question 2: Arithmetic Operators

    What is the output of the following C code?

    #include <stdio.h>

int main() {
    int x = 15;
    int y = 4;
    printf("%d", x / y);
    return 0;
}

    Question 3: Modulus Operator

    What is the result of the expression 20 % 6?

    Question 4: Logical AND Operator

    What is the output of the following C code?

    #include <stdio.h>

int main() {
    int a = 10;
    int b = 5;
    printf("%d", (a > 5) && (b < 10));
    return 0;
}

    Question 5: Pre-increment Operator

    What is the value of y after the following C code executes?

    #include <stdio.h>

int main() {
    int x = 5;
    int y = ++x;
    return 0;
}

    Question 6: Post-decrement Operator

    What will be the final value of x after the following C code executes?

    #include <stdio.h>

int main() {
    int x = 8;
    int y = x--;
    return 0;
}

    Question 7: Assignment Operators

    The expression x += 5; is equivalent to which of the following?

    Question 8: Operator Precedence

    What is the output of the following C code?

    #include <stdio.h>

int main() {
    printf("%d", 10 + 5 * 2);
    return 0;
}

    Question 9: Logical NOT Operator

    What is the value of the expression !0?

    Question 10: C Ternary Operator

    What is the output of the following C code?

    #include <stdio.h>

int main() {
    int age = 20;
    printf("%s", (age >= 18) ? "Adult" : "Minor");
    return 0;
}