Q. Complete the series: 8, 31, 122, 485, 1936, 7739, ?
✅ Correct Answer: (A)
30950
Explanation: The series is x 4 -1, x 4 - 2, x 4 - 3, x 4 - 4, ....,
Explanation by: Gaurav Lamba
The series is x 4 -1, x 4 - 2, x 4 - 3, x 4 - 4, ....,