C progams

1:#include<stdio.h>
#define sq(x) (x*x)

  void main()
{
  int a,b=3;
  a=sq(b+2);
  printf("%d\n",a);
}


1:25
2:11
3:error
4:garbage value

ANSWER :

2.11

3:#include<stdio.h>

void main()
{
  int x,y;
  if(30>20)?x=10:(y=20);
  printf("%d %d\n",x,y);
}

1:X=10
2:Y=20
3:EXPRESSION SYNTAX
4:NONE
answer:
3:EXPRESSION SYNTAX