General Questions2 – Free Online Questions and Answers

By default a real number is treated as a

A.	float	B.	double
C.	long double	D.	far double

Which of the following is not user defined data type?

1 :	`struct book { char name[10]; float price; int pages; };`
2 :	`long int l = 2.35;`
3 :	`enum day {Sun, Mon, Tue, Wed};`

A.	1	B.	2
C.	3	D.	Both 1 and 2

Is the following statement a declaration or definition?
extern int i;

A.	Declaration	B.	Definition
C.	Function	D.	Error

Identify which of the following are declarations

A.	1	B.	2
C.	1 and 3	D.	3

10.

In the following program where is the variable a getting defined and where it is getting declared?

#include<stdio.h>
int main()
{
    extern int a;
    printf("%d\n", a);
    return 0;
}
int a=20;

A.	extern int a is declaration, int a = 20 is the definition
B.	int a = 20 is declaration, extern int a is the definition
C.	int a = 20 is definition, a is not defined
D.	a is declared, a is not defined