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Question of the Day
Today's question of the day is from the pre-algebra category. Click on an answer choice and then click on 'submit answer' to see if you got it right!

If x and y are odd positive integers, which of the following must be even?

    I. x + y
    II. x(y+1)
    III. x(y + 1)

  Answer A   I only
Answer B II only
Answer C I and III
Answer D II and III
Answer E I, II, and III

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