brain puzzler, brain teaser October 2023 Brain Puzzler Solution October 18, 2023 mathconfidence Leave a comment A: There are 9 Unique Solutions1: 3 / 15 = 0.22: 6 / 12 = 0.53: 6 / 15 = 0.44: 7 / 14 = 0.55: 7 / 35 = 0.26: 8 / 16 = 0.57: 9 / 15 = 0.68: 9 / 18 = 0.59: 9 / 45 = 0.2