Software or IT Company Placement Papers

if x is even, then
(x%2)=0
x &1 !=1
x! ( some stuff is there)

which of the function operator cannot be over loaded

u r given two statements
a=(10.15);
b=10,15;
if they are executed what is the output printf("%d%d",a,b);

define null 0

#define inc(x) x++
main()
{
int t=1;
printf("%d",inc(t++));
}