List of top Computer Science & Information Technology Questions on Programming in C asked in AP PGECET

What is the output of the following code fragment? 
int x = 24;} 
printf("%d\n", x); 
printf("%3d %3d\n", x, x);}

What is the output of the following C program segment? 
int j = 7; 
printf("%d, %d", j++, j--);}

What is the output of the following C program?
#include #include main() 
{ int sum = 0, n = 1729; 
do { sum += n % 10; n = n / 10; } 
while (n>0); printf("%d", sum); }

What is the output of the following piece of C code? int a[2] = { 13, 31 }; int *p = a; printf("%d, %d", *p, *p++);
Which header needs to be included in C if you are to develop a function that can accept variable number of arguments?
What is the meaning of the following declaration in C? $$ \text{int } *(\text{*p})(\text{int } (*a)[]); $$
What is the value of $ x $ after the execution of the following C language statement? $$ x = -11 % -3; $$
In C language, what is the value of $ x - '0' $ where $ x $ is declared as char $ x = '5'; $?
What is the value of the following C statement when the value of the variable $ x = 600 $? $$ \text{tax} = ( x<500 ) ? ( ( x>400 ) ? x*20 : x*10 ) : ( x<700 ) ? x*25 : x*30; $$
What is the output of the following C program? #define sqr(x) (x*x) main() { int a, b = 13; a = sqr(b + 12); printf("%d", a); }