If a and b are both odd numbers, which of the following is an even number? Choose the correct choice from the following answers:
A) a + b
B) a + b + 1
C) ab
D) ab + 2
E) NOne
Sol.   Sum of two odd numbers is always even.   a + bnswer a + b
<result>A</result>
If a and b are both odd numbers, which of the following is an even number?