The Math Beast Challenge Problem of the Week – January 28, 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.

gre challenge problem 1

Quantity A

gre challenge problem 1

Quantity B

a + 4b

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