Which of the numbers below is the odd one out
1,4,10,19,21,31,46. Choose the correct choice.
A) 4  B) 21  C) 10  D) 19  E) 31
21 is the odd man.. diff between sucessive no.s are multiples of 3   ANSWER:21
<result>B</result>
Which of the numbers below is the odd one out
1,4,10,19,21,31,46.