Q. One term in the number series is wrong. Find out the wrong term.
3, 7, 15, 39, 63, 127, 255, 511
3, 7, 15, 39, 63, 127, 255, 511
✅ Correct Answer: (B)
39
Explanation: The correct pattern is x 2 + 1.
Explanation by: Admin
The correct pattern is x 2 + 1.