All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Numbers > Sequences
Tango (Posted on 2004-11-11) Difficulty: 2 of 5
No complicated set-up for this one! Quite simply, what number comes next and why?
2 4 6 9 11 15 20 ??

See The Solution Submitted by Jenny Turner    
Rating: 3.1429 (7 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Hints/Tips Hints and spoilers | Comment 2 of 10 |

There's a much more elegent answer here.  I wont spoil the surprise too much, but notice the relationship between 4 and 6 as well as 9 and 11.  

A number further in the series could be 101.

 


  Posted by B on 2004-11-11 10:15:21
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information