Solution:The pattern followed here is :(a, b, c) → {(b × 4) + (c × 4)} = a
(452, 50, 63) → {(50 × 4) + (63 × 4)} ⇒ 200 + 252 = 452
(260, 35, 30) → {(35 × 4) + (30 × 4)} ⇒ 140 + 120 = 260
Similarly,
(260, 50, 15) → {(50 × 4) + (15 × 4)} ⇒ 200 + 60 = 260
Hence, "(260, 50, 15)" is the correct answer.