2024 RI Motorcycle Practice Test 6 Based on 2024 RI Motorcycle Handbook 18. Without a helmet, a motorcycle rider is ___________ times more likely to suffer a critical head injury in a crash. A Six B Three C Five D Four Next More 18/30 Progress 0 Errors Restart Next Next RI Motorcycle Practice Test 6 Back to Test List RI Motorcycle Practice Test 5 RI Motorcycle Practice Test 7 Challenge Library 12 More RI Motorcycle Practice Tests 1 RI Motorcycle Practice Test 1 2 RI Motorcycle Practice Test 2 3 RI Motorcycle Practice Test 3 7 RI Motorcycle Practice Test 7 8 RI Motorcycle Practice Test 8 9 RI Motorcycle Practice Test 9 10 RI Motorcycle Practice Test 10 11 RI Motorcycle Practice Test 11 12 RI Motorcycle Practice Test 12 13 RI Motorcycle Practice Test 13