Find the next two terms of the sequence
1, 5, 14, 30, 55, ...
A
61,110
B
67,116
C
81,140
D
91, 140
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
\(1 + 2^2 = 5 + 3^2 = 14 + 4^2 = 30 + 5^2 = 55\)
\(55 + 6^2 = 91 + 7^2 = 140\).
91, 140 are the next two terms.
Source: Myschool Past Questions Archive (Record #26636)