If mno = pqr which of the following can you not conclude as being true?

You don't have any answer choices. But you can conclude:

M = P
N = Q
and O = R. 

M cannot equal N, Q, O, or R.
P cannot equal N, Q, O, or R.
Etc, etc.

Well in order to lose a pound you would have to burn 1,500 calories. the more calories you burn the more weight you lose. in order to lose 2 pounds you would have to run 4 hours and 28 minutes.