2024 MD MVA Practice Test 20 Based on 2024 MD Driver's Handbook 23. A Maryland Learner's Permit holder may only drive while accompanied by a supervising driver who is at least ___ years old. A 16 B 21 C 24 D 18 Next More 23/30 Progress 0 Errors Restart Next Next MD Permit Practice Test 20 Back to Test List MD Permit Practice Test 19 MD Permit Practice Test 1 Challenge Library 12 More MD MVA Practice Tests 1 MD Permit Practice Test 1 2 MD Permit Practice Test 2 3 MD Permit Practice Test 3 4 MD Permit Practice Test 4 5 MD Permit Practice Test 5 6 MD Permit Practice Test 6 7 MD Permit Practice Test 7 8 MD Permit Practice Test 8 9 MD Permit Practice Test 9 10 MD Permit Practice Test 10