Q. 3, 15, ?, 63, 99, 143
✅ Correct Answer: (B)
35
Explanation: The terms of the given series are (22 - 1), (42 - 1),....., (82 - 1), (102 - 1), (122 - 1).
Explanation by: Pooja
The terms of the given series are (22 - 1), (42 - 1),....., (82 - 1), (102 - 1), (122 - 1).