Answer questions in the shortest time possible (Actually, it's infinite, so just try getting a lot of questions correct in your selected time limit). Answers up to 10: 2, 4, 8, 16, 32, 64, 128, 256, 512 and 1024. These should get you to score 10 points.
My current best score is 27 points in 31536000 seconds (525600 mins., which is exactly 1 year). I was incorrect in question number 26, as it was very hard (The numbers had 9 or 10 digits each... and that's hard for even me to solve mentally (No paper, no calculator, just mind-solving)) for me to solve and answer correctly.