0 2 4 3 5 6 8 9 7 11 10 12 13 14 15 16 18 17 20 21 22 19 24 23 26 25 28 29 27 What is the next number in the sequence? Ah! Click here to read the solution. SelectShow 31. The tenth number is 10 + 1 = 11. The twentieth number is 20 + 1 = 21. Thus the thirtieth number is 30 + 1 = 31. ðŸ™‚ Easy ðŸ˜‰ Related Share Brain TeaserFacebookGoogle+TwitterPinterestLinkedIn Related Brain Teaser:The Cassette RecorderJanuary 18, 2018Crack The CodeJanuary 18, 2018The Crime SceneJanuary 18, 2018The ShooterJanuary 18, 2018