1,3,12,25,48
3
12
25
48
Explanation:
The terms of the series are (l2 – 02), (22 – l2), (42 – 22), (62 – 32) and (82 – 42).So, 25 is wrong and must be replaced by (62 – 32) i.e. 27.
The terms of the series are (l2 – 02), (22 – l2), (42 – 22), (62 – 32) and (82 – 42).So, 25 is wrong and must be replaced by (62 – 32) i.e. 27.