600-700 Difficulty Problems

[BlairD379]

Is there a way to only do these types of problems? I am absolutely shanking these on my past few CATs and seems like the quickest fix to upping my score.

[Sage Pearce-Higgins]

I recommend using the Official Guide book. Although you'll see a range of problems, you can identify the difficulty by, well, how hard you find them. If they're easy, move on. If you have no idea, then move on (although, to be frank, there are not many shockers in the Official Guide).

Also, redo problems that you see in practice tests. After a thorough review, leave them for a few days and then test yourself. Even if you remember the correct answer, check that you can read the clues, apply an appropriate strategy, and do the calculations in 2 minutes.

You may also find the additional online questions that you can purchase from mba.com useful. They have a way of grading the difficulty of the problems, although it's a bit approximate.