E enzoeducation Original post #1 Jun 19, 2017 at 5:12 PM Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next?
Zangetsu #2 Jun 19, 2017 at 5:29 PM enzoeducation said: 21, 9, 21, 11, 21, 13, 21 Click to expand... 15
sohan_92 #3 Jun 20, 2017 at 12:34 AM enzoeducation said: Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next? Click to expand... 15
