How many Numbers can be formed with digits 2,4,6,8 without repetition?	Options:
A) 124
B) 256
C) 64
D) 84
E) 94
Number of one digit numbers = 4   Number of two digit numbers = 4 P 2 = 12   Number of Three digit numbers = 4 P 3 = 24   Number of four digit numbers = 4 P 4 = 24   So, total = 24 + 24 + 12 + 4= 
<gadget id="calculator">24 + 24 + 12 + 4</gadget>
<output>64</output>
64   ANSWER:64
<result>C</result>
How many Numbers can be formed with digits 2,4,6,8 without repetition?