C Programming variables (Set 1)

MCQ problems on C Programming variables declarations and initializations.

1.	Which of the declaration is correct?

int length;

char int;

int long;

float double;

2.	Which of the following operations are INCORRECT?

int i = 35; i = i%5;

short int j = 255; j = j;

long int k = 365L; k = k;

float a = 3.14; a = a%3;

3.	Which of the following correctly represents a long double constant?

6.68LF

6.68f

6.68L

6.68

4.	Which of the structure is incorrect? 1 : `struct aa { int a; float b; };` 2 : `struct aa { int a; float b; struct aa var; };` 3 : `struct aa { int a; float b; struct aa *var; };`

1,2,3

5.	Which of the structure is correct? 1 : `struct book { char name[10]; float price; int pages; };` 2 : `struct aa { char name[10]; float price; int pages; }` 3 : `struct aa { char name[10]; float price; int pages; }`

1,2,3

6.	Take a look at following declarations: 1 : typedef long a; extern int a c; 2 : typedef long a; extern a int c; 3 : typedef long a; extern a c; Which of the above declarations is correct ?

1,2,3

Join the community of 1 Lakh+ Developers

Create a free account and get access to tutorials, jobs, hackathons, developer events and neatly written articles.

Create a free account