Explore topic-wise MCQs in C Program.

This section includes 28 Mcqs, each offering curated multiple-choice questions to sharpen your C Program knowledge and support exam preparation. Choose a topic below to get started.

1.

Consider the following code:void main(){ int a[5] = {6,8,3,9,0}, i=0; if(i != 0) { break; printf("%d", a[i]); } else printf("%d", a[i++]);}What is the output of the above program?%!

A. 6
B. 8
C. Runtime error
D. Syntax error
E. No output
Answer» E. No output
Discussion
2.

What will be printed if the following code is executed?void main(){ int x=0; for( ; ; ) { if( x++ == 4 ) break; continue; } printf("x=%d", x);}%!

A. x=0
B. x=5
C. x=4
D. x=1
E. Error
Answer» C. x=4
Discussion
3.

Consider the following program fragment:for(c=1, sum=0; c

A. -5
B. 30
C. 10
D. 1
E. 15
Answer» F.
Discussion
4.

*$_What will be the value of i and j after execution of following program?#includevoid main(){ int i, j; for(i=0,j=0;i

A. 10 10
B. 10 20
C. 20 20
D. Run time error
Answer» D. Run time error
Discussion
5.

_ What will be the output of the given program?#includevoid main(){ int i=10; printf("i=%d", i); { int i=20; printf("i=%d", i); i++; printf("i=%d", i); } printf("i=%d", i);}$?

A. 10 10 11 11
B. 10 20 21 21
C. 10 20 21 10
D. 10 20 21 20
Answer» D. 10 20 21 20
Discussion
6.

_What is the output of given program if user enter "xyz" ?#includevoid main(){ float age, AgeInSeconds; int value; printf("Enter your age:"); value=scanf("%f", &age); if(value==0){ printf("\\nYour age is not valid"); } AgeInSeconds = 365 * 24 * 60 * 60 * age; printf("\\n You have lived for %f seconds", AgeInSeconds);}$?

A. Enter your age : xyz Your age is not valid
B. Enter your age: xyz You have lived for 0 seconds
C. Enter your age: xyz Your age is not valid
D. Complier error
Answer» D. Complier error
Discussion
7.

What is the output of given program if user enter "xyz" ?#includevoid main(){ float age, AgeInSeconds; printf("Enter your age:"); scanf("%f", &age); AgeInSeconds = 365 * 24 * 60 * 60 * age; printf("You have lived for %f seconds", AgeInSeconds);}?

A. Enter your age: xyz You have lived for 0 seconds
B. Enter your age: xyz You have lived for 0.00000 seconds
C. Enter your age: xyz "after that program will stop"
D. Run time error
Answer» C. Enter your age: xyz "after that program will stop"
Discussion
8.

What is the output of given program if user enter value 99?#includevoid main(){ int i; printf("Enter a number:"); scanf("%d", &i); // 99 is given as input. if(i%5 == 0){ printf("nNumber entered is divisible by 5"); }}

A. Enter a number:99
B. Enter a number:99 Number is divisible by 5
C. complier error
D. Run time error
Answer» B. Enter a number:99 Number is divisible by 5
Discussion
9.

What will be the output of the given program?#includevoid main(){ float num=5.6; switch(num){ case 5:printf("5"); case 6:printf("6"); default : printf("0"); break; } printf("%d", num);}

A. 5 5.600000
B. 6 5.600000
C. 0 5.600000
D. Complier error
Answer» E.
Discussion
10.

What will be the output of the given program?#includevoid main(){ int value1, value2=100, num=100; if(value1=value2%5) num=5; printf("%d %d %d", num, value1, value2);}

A. 100 100 100
B. 5 0 20
C. 5 0 100
D. 100 0 100
E. 100 5 100
Answer» E. 100 5 100
Discussion
11.

What will be the output of the given program?#includevoid main(){ int value=0; if(value) printf("well done "); printf("examveda");}

A. well done examveda
B. examveda
C. complier error
D. None of these
Answer» C. complier error
Discussion
12.

What will be the output of the given program?#includevoid main(){ int a=11,b=5; if(a=5) b++; printf("%d %d", ++a, b++);}

A. 12 7
B. 5 6
C. 6 6
D. 6 7
E. 11 6
Answer» D. 6 7
Discussion
13.

What will be the output given program?#includevoid main(){ int i = -10; for(;i;printf("%d ", i++));}

A. -10 to -1
B. -10 to infinite
C. -10 to 0
D. Complier error
Answer» B. -10 to infinite
Discussion
14.

What will be the output of the following code?#includevoid main(){ int s=0; while(s++

A. 1 2 3 4 5 6 7 8 9
B. 1 2 3 10
C. 4 5 6 7 8 9 10
D. 4 5 6 7 8 9
E. None of these
Answer» D. 4 5 6 7 8 9
Discussion
15.

What will be the output of the following piece of code?for(i = 0; i

A. 10
B. 0123456789
C. Syntax error
D. 0
E. Infinite loop
Answer» B. 0123456789
Discussion
16.

What will be the output of given program?#includevoid main(){ int i=1, j=-1; if((printf("%d", i)) < (printf("%d", j))) printf("%d", i); else printf("%d", j);}

A. 1 -1 1
B. 1 -1 -1
C. 1
D. -1
E. complier error
Answer» B. 1 -1 -1
Discussion
17.

What will be the output of given program?#includevoid main(){ int a=3; for(;a;printf("%d ", a--);}

A. no output
B. 3 2 1 0
C. 3 2 1
D. infinity loop
Answer» D. infinity loop
Discussion
18.

What will be the output of given program?#includevoid main(){ int a=1; if("%d=hello", a);}

A. complier error
B. no error no output
C. 0
D. 1
Answer» C. 0
Discussion
19.

What's wrong in the following statement, provided k is a variable of type int?for(k = 2, k

A. The increment should always be ++k .
B. The variable must always be the letter i when using a for loop.
C. There should be a semicolon at the end of the statement.
D. The variable k can’t be initialized.
E. The commas should be semicolons.
Answer» F.
Discussion
20.

What will be the following code's output if choice = 'R'?switch(choice){ case 'R' : printf("RED"); case 'W' : printf("WHITE"); case 'B' : printf("BLUE"); default : printf("ERROR");break;}

A. RED
B. RED WHITE BLUE ERROR
C. RED ERROR
D. RED WHITE BLUE
E. ERROR
Answer» C. RED ERROR
Discussion
21.

The type of the controlling expression of a switch statement cannot be of the type ........

A. int
B. char
C. short
D. float
E. long
Answer» E. long
Discussion
22.

What will be the final value of the digit?void main(){ int digit = 0; for( ; digit

A. -1
B. 17
C. 19
D. 16
E. 20
Answer» D. 16
Discussion
23.

What is the output of the following statements?for(i=10; i++; i

A. 10 11 12 13 14
B. 10 11 12 13 14 15
C. 9 10 11 12 13
D. Infinite loop
E. None of these
Answer» E. None of these
Discussion
24.

What is the right choice, if the following loop is implemented?void main(){ int num = 0; do{ --num; printf("%d", num); }while( ++num >= 0 );}

A. A run time error will be generated.
B. The program will not enter into the loop.
C. There will be a compilation error reported.
D. The loop will run infinitely many times.
E. Prints the value of 0 one time only.
Answer» E. Prints the value of 0 one time only.
Discussion
25.

What is the output of the following program?#includeint c[10] = {1,2,3,4,5,6,7,8,9,10}; main(){ int a, b=0; for(a=0;a

A. 20
B. 24
C. 25
D. 30
E. None of these
Answer» D. 30
Discussion
26.

What will be the value of sum after the following program is executed?void main(){ int sum=1, index = 9; do{ index = index – 1; sum *= 2; }while( index > 9 );}

A. 1
B. 2
C. 9
D. 0.5
E. 0.25
Answer» C. 9
Discussion
27.

Which command is used to skip the rest of a loop and carry on from the top of the loop again?

A. break
B. resume
C. continue
D. skip
E. None of these
Answer» D. skip
Discussion
28.

Find the output of the following program.#includevoid main(){ int y=10; if(y++>9 && y++!=10 && y++>11) printf("%d", y); else printf("%d", y);}

A. 11
B. 12
C. 13
D. 14
E. Compilation error
Answer» D. 14
Discussion