Multiple choice general knowledge math & puzzles Find out the wrong number in the series.196, 169, 144, 121, 100, 80, 64 169 100 80 121 Reveal answer Fill a bubble to check yourself C Correct answer Explanation The sequence consists of squares of descending integers: 14 squared (196), 13 (169), 12 (144), 11 (121), 10 (100), and 8 (64). The number 80 is incorrect because 9 squared should be 81.