3) What will be the output of the following programs: a) #include Using namespace std; int main() { } int x = 20, y = 40, z = 45; if(x>y &&x>Z) cout < z) } cout < < "biggest = " < x && z>y) cout < < < endl; return 0; b) # include Using namespace std; int main() { while ('a' < 'b') cout