![Image](https://s3.postimage.org/GyK_r.png)
In the addition table shown above, what is the value of m+n?
A) -19
B) 4
C) 5
D) 6
E) 22
Thats all the information I got, from the GMATprep(TM).KrazyKarl wrote:Whoa...is this an example of a GMAT question? Would they give instructions with that table? I'm not sure I understand what's even being asked here. Please tell me that they'd give extra directions!