Solution:The pattern followed here is :(a, b, c) → {(a × c) ÷ 2} = b
(13, 104, 16) → {(13 × 16) ÷ 2} ⇒ 208 ÷ 2 = 104
(9, 63, 14) → {(9 × 14) ÷ 2} ⇒ 126 ÷ 2 = 63
Similarly,
(8, 60, 15) → {(8 × 15) ÷ 2} ⇒ 120 ÷ 2 = 60
Hence, "(8, 60, 15)" is the correct answer.