We invite you to test your GMAT knowledge for a chance to win! Each week, we will post a new Challenge Problem for you to attempt. If you submit the correct answer, you will be entered into that week’s drawing for a free Manhattan GMAT Prep item. Tell your friends to get out their scrap paper and start solving!
Here is this week’s problem:
If a, b, and c are nonzero integers and z = bc, is az negative?
(1) abc is an odd positive number.
(2) | b + c | < | b | + | c |
To see the answer choices, and to submit your answer, visit our Challenge Problem Showdown page on our site.
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