<p>My thought is that you probably missed an early question. They have a disproportionate effect on your score. </p>
<p>If you are applying for a Dec deadline and can afford to take it again, I would. (Unless you know that your score is high enough for the program). You’re clearly capable of getting a higher Q score since you did well on the Powerprep. You can do a math study book in the month wait-time and shoot for even higher.</p>