Solution:The pattern followed here is :{(1st number)² − 2} = 2nd number
(8, 62) → (8² - 2) ⇒ (64 - 2) = 62
(14, 194) → (14² - 2) ⇒ (196 - 2) = 194
(12, 142) → (12² - 2) ⇒ (144 - 2) = 142
But,
(10, 100) → (10² - 2) ⇒ (100 - 2) = 98 (Not 100)
Hence, (10, 100) is the correct answer.