If you multiply an even number by and odd number, what type of number will the answer be?

If two odd numbers are multiplied, what will the product be?

Theodore has jelly beans. Portia has three times that amount. Harvey has five times as many as she does. What is the total count of jelly beans in the whole group?

odd * odd * odd =

If n and m are both positive even integers, which of the following must be odd?

I. (n + 1)(m + 1)

II. nm + 1

III. nm + m

If is an odd integer, all of the following must be odd integers EXCEPT:

When 8 integers are multiplied their product is negative, then at most how many of the integers can be negative?

If and are both odd integers, which of the following is not necessarily odd?

When is evaluated, what number is in the ones digit?