C....made easy by Mr. Pramod Shetty5

#define square(x) x*x
main()
{
int i;
i = 64/square(4);
printf("%d",i);
}

Answer:
64

Explanation:
square(x) function mein macro define kiya gya hai. so square(4) unction x*x
se substitute hoga. so eqn becms 64/4*4 ab kyuki / and * ki priority same hoti hai
so eqn will be (64/4)*4