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Welcome to the Control Flow Statements in C MCQs Page

Dive deep into the fascinating world of Control Flow Statements in C with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Control Flow Statements in C, a crucial aspect of C Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Control Flow Statements in C, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within C Programming.

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Control Flow Statements in C MCQs | Page 17 of 32

Q161.
What will be the output of the program?
#include<stdio.h>
int main()
{
    int i=4;
    switch(i)
    {
        default:
           printf("This is default\n");
        case 1:
           printf("This is case 1\n");
           break;
        case 2:
           printf("This is case 2\n");
           break;
        case 3:
           printf("This is case 3\n");
    }
    return 0;
}
Discuss
Answer: (a).This is defaultThis is case 1
Q162.
What will be the output of the program?
#include<stdio.h>
int main()
{
    int i = 1;
    switch(i)
    {
        printf("Hello\n");
        case 1:
            printf("Hi\n");
            break;
        case 2:
            printf("\nBye\n");
            break;
    }
    return 0;
}
Discuss
Answer: (c).Hi
Q163.
What will be the output of the program?
#include<stdio.h>
int main()
{
    char j=1;
    while(j < 5)
    {
        printf("%d, ", j);
        j = j+1;
    }
    printf("\n");
    return 0;
}
Discuss
Answer: (d).1, 2, 3, 4
Q164.
What will be the output of the program?
#include<stdio.h>
int main()
{
    int x, y, z;
    x=y=z=1;
    z = ++x || ++y && ++z;
    printf("x=%d, y=%d, z=%d\n", x, y, z);
    return 0;
}
Discuss
Answer: (a).x=2, y=1, z=1
Q165.
Point out the error, if any in the for loop.
#include<stdio.h>
int main()
{
    int i=1;
    for(;;)
    {
        printf("%d\n", i++);
        if(i>10)
           break;
    }
    return 0;
}
Discuss
Answer: (d).No error
Q166.
Point out the error, if any in the program.
#include<stdio.h>
int main()
{
    int a = 10;
    switch(a)
    {
    }
    printf("This is c program.");
	return 0;
}
Discuss
Answer: (c).No Error
Q167.
Point out the error, if any in the program.

#include<stdio.h>
int main()
{
    int i = 1;
    switch(i)
    {
        printf("This is c program.");
        case 1:
            printf("Case1");
            break;
        case 2:
            printf("Case2");
            break;
    }
return 0;
}
Discuss
Answer: (c).No Error and prints "Case1"
Q168.
Point out the error, if any in the while loop.
#include<stdio.h>
int main()
{
    int i=1;
    while()
    {
        printf("%d\n", i++);
        if(i>10)
           break;
    }
    return 0;
}
Discuss
Answer: (a).There should be a condition in the while loop
Q169.
Which of the following errors would be reported by the compiler on compiling the program given below?
#include<stdio.h>
int main()
{
    int a = 5;
    switch(a)
    {
	case 1:
	printf("First");

	case 2:
	printf("Second");

	case 3 + 2:
	printf("Third");

	case 5:
	printf("Final");
	break;

    }
    return 0;
}
Discuss
Answer: (c).Duplicate case case 5:
Q170.
Point out the error, if any in the program.
#include<stdio.h>
int main()
{
    int P = 10;
    switch(P)
    {
       case 10:
       printf("Case 1");

       case 20:
       printf("Case 2");
       break;

       case P:
       printf("Case 2");
       break;
    }
    return 0;
}
Discuss
Answer: (b).Error: Constant expression required at line case P:

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