250+ TOP MCQs on Type Conversions and Answers [2024]

C language Objective Questions on “Type Conversions”. 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 language Objective Questions come with detailed explanation of the answers which helps in better understanding of C concepts.

Here is a listing of C language Objective Questions on “Type Conversions” along with answers, explanations and/or solutions:

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

```
    #include 
```
```
    void main()
```
```
    {
```
```
        float x = 0.1;
```
```
        if (x == 0.1)
```
```
            printf("");
```
```
        else
```

            printf("Advanced C Classes");

```
    }
```

a) Advanced C Classes
b)
c) Run time error
d) Compile time error
Answer: a
Clarification: None.

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

```
    #include 
```
```
    void main()
```
```
    {
```
```
        float x = 0.1;
```
```
        printf("%d, ", x);
```
```
        printf("%f", x);
```
```
    }
```

a) 0.100000, junk value
b) Junk value, 0.100000
c) 0, 0.100000
d) 0, 0.999999
Answer: b
Clarification: None.

3. What will be the output of the following C code? (Initial values: x= 7, y = 8)

```
    #include 
```
```
    void main()
```
```
    {
```
```
        float x;
```
```
        int y;
```

        printf("enter two numbers n", x);

```
        scanf("%f %f", &x, &y);
```
```
        printf("%f, %d", x, y);
```
```
    }
```

a) 7.000000, 7
b) Run time error
c) 7.000000, junk
d) Varies
Answer: c
Clarification: None.

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

```
    #include 
```
```
    void main()
```
```
    {
```
```
        double x = 123828749.66;
```
```
        int y = x;
```
```
        printf("%dn", y);
```
```
        printf("%lfn", y);
```
```
    }
```

a) 0, 0.0
b) 123828749, 123828749.66
c) 12382874, 12382874.0
d) 123828749, 0.000000
Answer: d
Clarification: None.

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

```
    #include 
```
```
    void main()
```
```
    {
```
```
        int x = 97;
```
```
        char y = x;
```
```
        printf("%cn", y);
```
```
    }
```

a) a
b) b
c) 97
d) Run time error
Answer: a
Clarification: None.

6. When double is converted to float, then the value is?
a) Truncated
b) Rounded
c) Depends on the compiler
d) Depends on the standard
Answer: c
Clarification: None.

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

```
    #include 
```
```
    int main()
```
```
    {
```
```
        unsigned int i = 23;
```
```
        signed char c = -23;
```
```
        if (i > c)
```
```
            printf("Yesn");
```
```
        else if (i < c)
```
```
            printf("Non");
```
```
    }
```

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

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

```
    #include 
```
```
    int main()
```
```
    {
```
```
        int i = 23;
```
```
        char c = -23;
```
```
        if (i < c)
```
```
            printf("Yesn");
```
```
        else
```
```
            printf("Non");
```
```
    }
```

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

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