I was exceptionally lucky doing my nav exam. I finished the paper, then went back and double checked my answers. With about 10-15 minutes left, convinced everything was fine, I noticed that the wind speed and direction for the multi leg route were different for each leg (I had assumed they were all the same)
. In a blind panic, with sweat pouring from all orifices, my whiz-wheel was heating up due to friction with my crazy last minute calcuations. Realizing that the first 5 questions all relied on getting the previous one correct, my heart rate jumped well into triple figures. I finished just in time, but it all payed off, I got 100% Woohoo