book highlights that a valid assumption can establish the feasibility of the premises of the arguement (page 59 MGMAT CR
But one of the wrong answer types are the answers which addresses premises only (page 64 MGMAT CR
If an assumption addresses premise and that premise leads to conclusion then that answer should be right. In that case does the wrong answer type which addresses premises only is still wrong?
If you look at qstn choices you will see that you are being asked which is the best possible assumption.
use the negate option to ascertain the answer choices.
If an answer address premise and the other addresses conclusion...go for the assumption...which encompasses the conclousion.