Insert the missing number.
2, 6, 12, 20, 30, 42, 56,72, 90, 110 (....)  Select.
A) 22  B) 132  C) 72  D) 66  E) 19
Explanation:   The pattern is 1 x 2, 2 x 3, 3 x 4, 4 x 5, 5 x 6, 6 x 7, 7 x 8,8 x 9, 9 x 10,10 x 11.   So, the next number is 11 x 12 = 132.   Answer: 132) 132
<result>B</result>
Insert the missing number.
2, 6, 12, 20, 30, 42, 56,72, 90, 110 (....)