If a and b are odd integers, which of the following is an even integer? Options:	A) 2a+b	B) 3a+b	C) 4a+b	D) 2a-b	E) a-8b
If a is odd, then 3a is odd.   Then 3a+b is even.   The answer is 3a+b.
<result>B</result>
If a and b are odd integers, which of the following is an even integer?