2024 MN Motorcycle Practice Test 12 Based on 2024 MN Motorcycle Handbook 23. When marijuana is smoked, how long can the effects last? A About 15 minutes B More than six hours C An hour D Two hours Next More 23/30 Progress 0 Errors Restart Next Next MN Motorcycle Practice Test 12 Back to Test List MN Motorcycle Practice Test 11 MN Motorcycle Practice Test 13 Challenge Library 12 More MN Motorcycle Practice Tests 1 MN Motorcycle Practice Test 1 2 MN Motorcycle Practice Test 2 3 MN Motorcycle Practice Test 3 13 MN Motorcycle Practice Test 13 14 MN Motorcycle Practice Test 14 15 MN Motorcycle Practice Test 15 16 MN Motorcycle Practice Test 16 17 MN Motorcycle Practice Test 17 18 MN Motorcycle Practice Test 18 19 MN Motorcycle Practice Test 19