Which of the following numbers should not be included in the set?
331, 482, 551, 263, 386, 242, 111
Choices.
A) 263	B) 386	C) 242	D) 111	E) None of these
Solution   In each number except 386,the product of first and third digits is the middle one. Answer 386
<result>B</result>
Which of the following numbers should not be included in the set?
331, 482, 551, 263, 386, 242, 111