C Programing Aptitude Test
20 Questions
| Total Attempts: 33
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
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