Series is 8, 10, 18, 44, 124, x Let’s take difference between consecutive numbers 2, 8, 26, 80, x – 124 So ⇒ 6, 1854, x – 124, x So, the series is 6 = 6 × 1 = 6(30) 6 = 6 × 1 = 6 × 31 6 = 6 × 1 = 6 × 32 After that, it would be 6 × 33 = 162 ⇒ x – 204 = 162 x = 366