Question:
2, 6, 12, 20, 30, 42, 56, (….)
[A].61
64
72
70
2, 6, 12, 20, 30, 42, 56, (….)
[A].
[B].
[C].
[D].
Answer: Option C
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.
So, the next number is 8 x 9 = 72.