125, 126, 124, 127, 123, 129
126
124
123
129
Explanation:
The correct pattern is + 1, – 2, + 3, – 4, + 5.So, 129 is wrong and must be replaced by (123 + 5) i.e. 128.
The correct pattern is + 1, – 2, + 3, – 4, + 5.So, 129 is wrong and must be replaced by (123 + 5) i.e. 128.