250+ TOP MCQs on Relational & Logical Operators and Answers

C Objective Questions on “Relational & Logical Operators”. One shall practice these Objective Questions to improve their C programming skills needed for various interviews (campus interviews, walkin interviews, company interviews), placements, entrance exams and other competitive exams. These questions can be attempted by anyone focusing on learning C Programming language. They can be a beginner, fresher, engineering graduate or an experienced IT professional. Our C Objective Questions come with detailed explanation of the answers which helps in better understanding of C concepts.

Here is a listing of C Objective Questions on “Relational & Logical Operators” along with answers, explanations and/or solutions:

1. What will be the output of the following C code?

```
    #include 
```
```
    void main()
```
```
    {
```
```
        int x = 1, y = 0, z = 5;
```
```
        int a = x && y || z++;
```
```
        printf("%d", z);
```
```
    }
```

a) 6
b) 5
c) 0
d) Varies
Answer: a
Clarification: None.

2. What will be the output of the following C code?

```
    #include 
```
```
    void main()
```
```
    {
```
```
        int x = 1, y = 0, z = 5;
```
```
        int a = x && y && z++;
```
```
        printf("%d", z);
```
```
    }
```

a) 6
b) 5
c) 0
d) Varies
Answer: b
Clarification: None.

3. What will be the output of the following C code?

```
    #include 
```
```
    int main()
```
```
    {
```
```
        int x = 1, y = 0, z = 3;
```

        x > y ? printf("%d", z) : return z;

```
    }
```

a) 3
b) 1
c) Compile time error
d) Run time error
Answer: c
Clarification: None.

4. What will be the output of the following C code?

```
    #include 
```
```
    void main()
```
```
    {
```
```
        int x = 1, z = 3;
```
```
        int y = x << 3;
```
```
        printf(" %dn", y);
```
```
    }
```

a) -2147483648
b) -1
c) Run time error
d) 8
Answer: d
Clarification: None.

5. What will be the output of the following C code?

```
    #include 
```
```
    void main()
```
```
    {
```
```
        int x = 0, y = 2, z = 3;
```
```
        int a = x & y | z;
```
```
        printf("%d", a);
```
```
    }
```

a) 3
b) 0
c) 2
d) Run time error
Answer: a
Clarification: None.

6. What will be the final value of j in the following C code?

```
    #include 
```
```
    int main()
```
```
    {
```
```
        int i = 0, j = 0;
```
```
        if (i && (j = i + 10))
```
```
            //do something
```
```
            ;
```
```
    }
```

a) 0
b) 10
c) Depends on the compiler
d) Depends on language standard
Answer: a
Clarification: None.

7. What will be the final value of j in the following C code?

```
    #include 
```
```
    int main()
```
```
    {
```
```
        int i = 10, j = 0;
```
```
        if (i || (j = i + 10))
```
```
            //do something
```
```
            ;
```
```
    }
```

a) 0
b) 20
c) Compile time error
d) Depends on language standard
Answer: a
Clarification: None.

8. What will be the output of the following C code?

```
    #include 
```
```
    int main()
```
```
    {
```
```
        int i = 1;
```
```
        if (i++ && (i == 1))
```
```
            printf("Yesn");
```
```
        else
```
```
            printf("Non");
```
```
    }
```

a) Yes
b) No
c) Depends on the compiler
d) Depends on the standard
Answer: b
Clarification: None.

250+ TOP MCQs on Static Variables and Answers

250+ TOP MCQs on Relational & Logical Operators and Answers

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