If a and b are both odd numbers, which of the following is an odd number?  Pick one
A) a + b
B) a + b + 2
C) ab+2
D) ab + 1
E) NOne
Sol.   Product of two odd numbers is always odd and adding 2 gives odd.   Answer ab+2
<result>C</result>
If a and b are both odd numbers, which of the following is an odd number?