Division of Integers

Q. What is the output of the following 'C' program?
main()
{
int i=2;
printf("%d%d, ++i, ++i);
}

1. 3 4
2. 4 3
3. 4 4
4. Output may vary from compiler to compiler

Q. $1+6÷3-(4+5)\times 7=$

1. $\frac{27}{3}$
2. $-60$
3. -173
4. $20$