Q. void main(){
int x=5,y=10,z=15,val;
val=sum(x,(y=0,z=0,y),z);
clrscr();
printf("%d",val);
getch();
}
sum(int x,int y,int z){
return x+y+z;
}

A. 20

Explanation: In the above program comma after Y=0 &Z=0 are behaving as operator