1 2 3 45 6 7 8 9 10 11 12 1314 15 16 1718 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Submit Test Total time remaining: 2:26 Question #15 / 40 John is choosing a 2-letter password from the letters A, B have the same letter repeated in it. How many such passwords are possible? . C, D, E, and F. The password cannot Clear Undo Help > Question #15 / 40 John is choosing a 2-letter password from the letters A, B, C, D, E, and F. The password cannot have the same letter repeated in it. How many such passwords are possible? clear Undo Help >