A sock drawer contains 4 socks, each one a different solid color. The colors of the socks are green, blue, indigo, and violet. If a person reaches into the drawer and pulls out two socks, how many different color combinations are possible in the selected pair of socks?  Pick one.
A) 12	B) 15	C) 6	D) 36	E) 42
Since the order in which we select the socks does not matter we can use combinations.   We can select 2 socks from 4 socks in 4C2 ways.   462 = 6   Answer : 6
<result>C</result>
A sock drawer contains 4 socks, each one a different solid color. The colors of the socks are green, blue, indigo, and violet. If a person reaches into the drawer and pulls out two socks, how many different color combinations are possible in the selected pair of socks?