2, 6, 12, 20, 30, 42, 56, - Number Series - Series Completion - Verbal Reasoning question

A. 60

B. 64

C. 70

D. 72

E. None of the above

Answer: D. 72

The sequence is 1 * 2, 2 * 3, 3 * 4, 4 * 5, 5 * 6, 6 * 7, 7 * 8.
.'. Missing number = 8 * 9 = 72.

Posted in: Number Series - Series Completion - Verbal Reasoning