Here's the answer. took me 2 mins to solve it. How I is true: n= 4 1,2,4 Distinct numbers - 3 n= 16 1,2,4,8,16 Distinct numbers - 5 You will always have one number that is SQUARED. Therefore, making that number DISTINCT and in this case odd. How II is true n= 4 1,2,4 1+2+4=7 n= 9 1,3,9 1+3+9=13 n=2...