Solution:The pattern followed here is :(1st number)² + (2nd number)² = 3rd number
(9, 3, 90) → 9² + 3² ⇒ 81 + 9 = 90
(5, 4, 41) → 5² + 4² ⇒ 25 + 16 = 41
Similarly,
(13, 7, 218) → 13² + 7² ⇒ 169 + 49 = 218
Hence, "(13, 7, 218)" is the correct answer.