Give stream of consciousness and then the final answer. How many Numbers can be formed with digits 2,4,6,8 without repetition?\nOptions:\n(A) 124\n(B) 256\n(C) 64\n(D) 84\n(E) 94
User
Number of one digit numbers = 4\nNumber of two digit numbers = 4 P 2 = 12\nNumber of Three digit numbers = 4 P 3 = 24\nNumber of four digit numbers = 4 P 4 = 24\nSo, total = 24 + 24 + 12 + 4 = 64
The final answer: (C).
Assistant