How many numbers with 3 different digits can be formed using only the even-numbered digit?
Choose the correct choice from the following
A) 12	B) 20	C) 40	D) 60	E) 120
Odd digits are 2, 4, 6, 8.   We want 2 different digits.   First digit can be chosen in 4 ways.   Second digit can be chosen in 3 ways.   Total ways = 4*3= 
<gadget id="calculator">4*3</gadget>
<output>12</output>
12   Hence option (12).
<result>A</result>
How many numbers with 3 different digits can be formed using only the even-numbered digit?