Solution:The pattern followed here is :(a, b, c) → a + 100 = b  & b + 1000 = c
(99, 199, 1199) → 99 + 100 = 199 & 199 + 1000 = 1199
(15, 115, 1115) → 15 + 100 = 115 & 115 + 1000 = 1115
Similarly,
(33, 133, 1133) → 33 + 100 = 133 & 133 + 1000 = 1133
Hence, "(33, 133, 1133)" is the correct answer.