Insert the missing number.
2, 6, 12, 20, 30, 42, (....)	Pick one.
A) 56  B) 38  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   So, the next number is 7 x 8 = 56.   56nswer: 56) 56
<result>A</result>
Insert the missing number.
2, 6, 12, 20, 30, 42, (....)