C Programing Aptitude Test

20 Questions | By Ubdeshpande | Last updated: Mar 16, 2022 | Total Attempts: 66

Questions

Settings

Create your own Quiz

Basics of C Language

Questions and Answers

1.

1.What will be output if you will execute following c code? #include intmain(){ inti; for(i=0;i<5;i++){ inti=10; printf(" %d",i); i++; } return0; }
- A.
  
  10 11 12 13 14
- B.
  
  10 10 10 10 10
- C.
  
  0 1 2 3 4
- D.
  
  Infinite loop
- E.
  
  Compilation error
2.

2.What will be output if you will execute following c code? #include intmain(){ registera,b,x; scanf("%d %d",&a,&b); x=a+~b; printf("%d",x); return0; }
- A.
  
  Output will depend upon user input
- B.
  
  None
- C.
  
  Output will difference of a and b
- D.
  
  Output will addition of a and b
- E.
  
  Compilation error
3.

3.What will be output if you will execute following c code? #include autointa=5; intmain(){ intx; x=~a+a&a+a<
- A.
  
  5
- B.
  
  0
- C.
  
  1
- D.
  
  153
- E.
  
  Compilation error
4.

4.What will be output if you will execute following c code? #include voidmain(){ registerinta,b; intc; scanf("%d%d",&a,&b); c=~a + ~b + ++a + b++; printf(" %d",c); } //User input is: 1 2
- A.
  
  -1
- B.
  
  0
- C.
  
  1
- D.
  
  2
- E.
  
  Compilation error
5.

5.What will be output if you will execute following c code? #include #include voidmain(){ intarr[3]={10,20,30}; intx=0; x=++arr[++x]+ ++x+arr[--x]; printf("%d ",x); }
- A.
  
  23
- B.
  
  43
- C.
  
  22
- D.
  
  44
- E.
  
  Compilation error
6.

6.What will be output if you will execute following c code? #include #include voidmain(){ inta[]={10,20,30,40}; inti=3,x; x=1*a[--i]+2*a[--i]+3*a[--i]; printf("%d",x); }
- A.
  
  60
- B.
  
  50
- C.
  
  40
- D.
  
  30
- E.
  
  Compilation error
7.

7.What will be output if you will execute following c code? #include #include voidmain(){ staticinta[][2][3]={0,1,2,3,4,5,6,7,8,9,10,11,12}; inti=-1; intd; d=a[i++][++i][++i]; printf("%d",d); }
- A.
  
  9
- B.
  
  10
- C.
  
  11
- D.
  
  12
- E.
  
  Compilation error
8.

8.What will be output if you will execute following c code? #include #include voidmain(){ inti=3,val; val=sizeof(f(i)+ +f(i=1)+ +f(i-1)); printf("%d %d",val,i); } intf(intnum){ returnnum*5; }
- A.
  
  2 2
- B.
  
  3 3
- C.
  
  2 3
- D.
  
  15 0
- E.
  
  Compilation error
9.

9.What will be output if you will execute following c code? #include #include voidmain(){ intx,a=3; x=+ +a+ + +a+ + +5; printf("%d %d",x,a); }
- A.
  
  10 3
- B.
  
  11 3
- C.
  
  10 5
- D.
  
  11 3
- E.
  
  Compilation error
10.

10.What will be output if you will execute following c code? #include #include voidmain(){ intnum,i=0; num=-++i+ ++-i; printf("%d",num); }
- A.
  
  0
- B.
  
  1
- C.
  
  -2
- D.
  
  2
- E.
  
  Compilation error
11.

11.What will be output if you will execute following c code? #include #include voidmain(){ intnum,a=5; num=-a--+ +++a; printf("%d %d",num,a); }
- A.
  
  1 5
- B.
  
  -1 6
- C.
  
  1 6
- D.
  
  0 5
- E.
  
  Compilation error
12.

12.What will be output if you will execute following c code? #include #include voidmain(){ intnum,a=15; num=- - - -a--; printf("%d %d",num,a); }
- A.
  
  15 15
- B.
  
  14 14
- C.
  
  14 15
- D.
  
  15 14
- E.
  
  Compilation error
13.

13.What will be output if you will execute following c code? #include #include voidmain(){ intx,a=2; x=++a,++a,a++; printf("%d %d",x,a); }
- A.
  
  5 5
- B.
  
  3 5
- C.
  
  4 5
- D.
  
  5 4
- E.
  
  Compilation error
14.

14.What will be output if you will execute following c code? #include #include voidmain(){ intx,i=2; x=~-!++i; printf("%d",x); }
- A.
  
  -2
- B.
  
  -1
- C.
  
  0
- D.
  
  1
- E.
  
  Compilation error
15.

15.What will be output if you will execute following c code? #include intmain(){ staticdouble*p,*q,*r,*s,t=5.0; double**arr[]={&p,&q,&r,&s}; inti; *p=*q=*r=*s=t; for(i=0;i<4;i++) printf("%.0f ",**arr[i]); return0; }
- A.
  
  5 5 5 5 5
- B.
  
  5 6 7 8 9
- C.
  
  5 4 3 2 1
- D.
  
  Infinte loop
- E.
  
  Compilation error
16.

16.What will be output if you will execute following c code? intmain(){ floatx; x=0.35==3.5/10; printf("%f",x); return0; }
- A.
  
  0.000000
- B.
  
  1.000000
- C.
  
  0.350000
- D.
  
  3.500000
- E.
  
  Compilation error
17.

17.What will be output if you will execute following c code? #include #include voidmain(){ intarr[]={6,12,18,24}; intx=0; x=arr[1]+(arr[1]=2); printf("%d",x); }
- A.
  
  4
- B.
  
  8
- C.
  
  14
- D.
  
  14
- E.
  
  Compilation error
18.

18.What will be output if you will execute following c code? #include #include voidmain(){ inta=1,x; x=sq(++a)+sq(a++)+sq(a++); printf("%d",x); } intsq(intnum){ returnnum*num; }
- A.
  
  15
- B.
  
  16
- C.
  
  17
- D.
  
  18
- E.
  
  Compilation error
19.

19.What will be output if you will execute following c code? voidmain(){ printf("%c",*"abcde"); }
- A.
  
  Acbcd
- B.
  
  E
- C.
  
  A
- D.
  
  Null
- E.
  
  Compilation error
20.

20.What will be output if you will execute following c code? voidmain(){ printf("%d","abcde"-"abcde"); }
- A.
  
  0
- B.
  
  -1
- C.
  
  1
- D.
  
  Garbage
- E.
  
  Compilation error