Array questions with explanation in c

1.
What will be output if you will execute following c code?

#include<stdio.h>

void main(){

    char arr[7]="Network";

    printf("%s",arr);

   

}

(A)	Network
(B)	N
(C)	network
(D)	Garbage value
(E)	Compilation error

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Explanation: **

2.
What will be output if you will execute following c code?

#include<stdio.h>

void main(){

    char arr[11]="The African Queen";

    printf("%s",arr);

   

}

(A)	The African Queen
(B)	The
(C)	Queen
(D)	null
(E)	Compilation error

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Explanation: **

3.
What will be output if you will execute following c code?

#include<stdio.h>

void main(){

    char arr[20]="MysticRiver";

    printf("%d",sizeof(arr));   

}

(A)	20
(B)	11
(C)	12
(D)	22
(E)	24

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Explanation: **

4.
What will be output if you will execute following c code?

#include<stdio.h>

void main(){

    int const SIZE=5;

    int expr;

    double value[SIZE]={2.0,4.0,6.0,8.0,10.0};

    expr=1|2|3|4;

    printf("%f",value[expr]);

}

(A)	2.000000
(B)	4.000000
(C)	6.000000
(D)	8.000000
(E)	Compilation error

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Explanation: **

5.
What will be output if you will execute following c code?

#include<stdio.h>

enum power{

    Dalai,

    Vladimir=3,

    Barack,

    Hillary

};

void main(){

    float leader[Dalai+Hillary]={1.f,2.f,3.f,4.f,5.f};

    enum power p=Barack;

    printf("%0.f",leader[p>>1+1]);  

}

(A)	1
(B)	2
(C)	3
(D)	5
(E)	Compilation error

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Explanation: **

6.
What will be output if you will execute following c code?

#include<stdio.h>

#define var 3

void main(){

    char *cricket[var+~0]={"clarke","kallis"};

    char *ptr=cricket[1+~0];

    printf("%c",*++ptr); 

}

(A)	k
(B)	a
(C)	l
(D)	i
(E)	Compilation error

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Explanation: **

7.
What will be output if you will execute following c code?

#include<stdio.h>

#define var 3

void main(){

    char data[2][3][2]={0,1,2,3,4,5,6,7,8,9,10,11};

    printf("%o",data[0][2][1]);

}

(A)	5
(B)	6
(C)	7
(D)	8
(E)	Compilation error

---

Explanation: **

8.
What will be output if you will execute following c code?

#include<stdio.h>

#define var 3

void main(){

    short num[3][2]={3,6,9,12,15,18};

    printf("%d   %d",*(num+1)[1],**(num+2));

}

(A)	12  15
(B)	12  12
(C)	15  15
(D)	15  12
(E)	Compilation error

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Explanation: **

9.
What will be output if you will execute following c code?

#include<stdio.h>

#define var 3

void main(){

    char *ptr="cquestionbank";

    printf("%d",-3[ptr]);

}

(A)	100
(B)	-100
(C)	101
(D)	-101
(E)	Compilation error

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Explanation: **

10.
What will be output if you will execute following c code?

#include<stdio.h>

void main(){

    long  myarr[2][4]={0l,1l,2l,3l,4l,5l,6l,7l};

    printf("%ld\t",myarr[1][2]);

    printf("%ld%ld\t",*(myarr[1]+3),3[myarr[1]]);

    printf("%ld%ld%ld\t" ,*(*(myarr+1)+2),*(1[myarr]+2),3[1[myarr]]);

   

}

(A)	6   66   777
(B)	6   77   667
(C)	5   66   777
(D)	7   77   666
(E)	6   67   667

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Explanation: **

11.
What will be output if you will execute following c code?

#include<stdio.h>

void main(){

    int array[2][3]={5,10,15,20,25,30};

    int (*ptr)[2][3]=&array;

    printf("%d\t",***ptr);

    printf("%d\t",***(ptr+1));

    printf("%d\t",**(*ptr+1));

    printf("%d\t",*(*(*ptr+1)+2));

}

(A)	5   Garbage value   20   30
(B)	5    15    20    25
(C)	10   20    30    30
(D)	5    15    20    30
(E)	Compilation error

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Explanation: **

12.
What will be output if you will execute following c code?

#include<stdio.h>

void main(){

    static int a=2,b=4,c=8;

    static int *arr1[2]={&a,&b};

    static int *arr2[2]={&b,&c};

    int* (*arr[2])[2]={&arr1,&arr2};

    printf("%d %d\t",*(*arr[0])[1],  *(*(**(arr+1)+1)));

}

(A)	2  4
(B)	4  2
(C)	4  8
(D)	8  4
(E)	8  2

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Explanation: **

13.
What will be output if you will execute following c code?

#include<stdio.h>

#include<math.h>

double myfun(double);

void main(){

    double(*array[3])(double);

    array[0]=exp;

    array[1]=sqrt;

    array[2]=myfun;   printf("%.1f\t",(*array)((*array[2])((**(array+1))(4))));

   

}

double myfun(double d){

       d-=1;

       return d;

}

(A)	1.4
(B)	2.8
(C)	4.2
(D)	3.0
(E)	2.7

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Explanation: **

14.
What will be output if you will execute following c code?

#include<stdio.h>

#include<math.h>

typedef struct{

    char *name;

    double salary;

}job;

void main(){

    static job a={"TCS",15000.0};

    static job b={"IBM",25000.0};

    static job c={"Google",35000.0};

    int x=5;

    job * arr[3]={&a,&b,&c};

    printf("%s  %f\t",(3,x>>5-4)[*arr]);  

}

double myfun(double d){

       d-=1;

       return d;

}

(A)	Google 35000.000000
(B)	TCS  15000.000000
(C)	IBM  25000.000000
(D)	null   15000.000000
(E)	Google   null

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Explanation: **

15.
What will be output if you will execute following c code?

#include<stdio.h>

union group{

    char xarr[2][2];

    char yarr[4];

};

void main(){

    union group x={'A','B','C','D'};

    printf("%c",x.xarr[x.yarr[2]-67][x.yarr[3]-67]);

}

(A)	A
(B)	B
(C)	C
(D)	D
(E)	null

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Explanation: **

16.
What will be output if you will execute following c code?

#include<stdio.h>

void main(){

    int a=5,b=10,c=15;

    int *arr[3]={&a,&b,&c};

    printf("%d",*arr[*arr[1]-8]);

}

(A)	5
(B)	10
(C)	18
(D)	Garbage value
(E)	Compilation error

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Explanation: **

17.
What will be output if you will execute following c code?

#include<stdio.h>

void main(){

    int arr[][3]={{1,2},{3,4,5},{5}};

    printf("%d %d %d",sizeof(arr),arr[0][2],arr[1][2]);

}

(A)	6  0 4
(B)	6  1 5
(C)	18 0 5
(D)	18 1 5
(E)	Compilation error

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Explanation: **

18.
What will be output if you will execute following c code?

#include<stdio.h>

void main(){

    int xxx[10]={5};

    printf("%d %d",xxx[1],xxx[9]);

}

(A)	0  5
(B)	5  5
(C)	5  0
(D)	0  0
(E)	Compilation error

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Explanation: **

19.
What will be output if you will execute following c code?

#include<stdio.h>

#define WWW -1

enum {cat,rat};

void main(){

    int Dhoni[]={2,'b',0x3,01001,'\x1d','\111',rat,WWW};

    int i;

    for(i=0;i<8;i++)

         printf(" %d",Dhoni[i]);

}

(A)	2 98 3 513 29 73 0 -1
(B)	2 98 3 513 30 73 1 -1
(C)	2 99 3 513 29 73 1 -1
(D)	2 98 3 513 29 73 1 -1
(E)	Compilation error

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Explanation: **

20.
What will be output if you will execute following c code?

#include<stdio.h>

void main(){

    long double a;

    signed char b;

    int arr[sizeof(!a+b)];

    printf("%d",sizeof(arr))

}

(A)	8
(B)	9
(C)	1
(D)	4
(E)	Compilation error

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Explanation: **

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