2, 6, 12, 20, 30, 42, 56, (...) Choose the most appropriate option:
A) 72	B) 61	C) 64	D) 70	E) 65
The pattern is 1×2, 2×3, 3×4, 4×5, 5×6, 6×7, 7×8.   Hence, next number is 8×9 = 72   72nswer is 72.
<result>A</result>
2, 6, 12, 20, 30, 42, 56, (...)