The Math Beast Challenge Problem of the Week – March 11, 2013

by
Math BeastEach week, we 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 two free Manhattan Prep GRE Strategy Guides.

If ab, and c are positive integers such that  is an integer, which of the following could be the value of x?

See the answer choices and submit your pick over on our Challenge Problem page.