385, 462, 572, 396, 421, 671, 264	Pick one.
A) 385 B) 421 C) 671 D) 264 E) None of these
Solution   In each number except 421,the middle digit is the sum of the other two. Answer 421
<result>B</result>
385, 462, 572, 396, 421, 671, 264