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
waec 2004mathematics

The correct answer is D. 91, 140

\(1 + 2^2 = 5 + 3^2 = 14 + 4^2 = 30 + 5^2 = 55\)

\(55 + 6^2 = 91 + 7^2 = 140\).

91, 140 are the next two terms.

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