Multiple choice Find the wrong term in sequence : 1, 5, 5, 9, 7, 11, 11, 15, 12, 17 11 12 17 15 9 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The sequence is formed by repeating the difference pattern of +4, +0, +4, -2. Following this pattern, after 15, we should subtract 2 to get 13, and then add 4 to get 17. Therefore, 12 is the wrong term and should be replaced by 13.