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

Home > Just Math
Consecutive Numbers and Subset Choice (Posted on 2016-02-09) Difficulty: 3 of 5
M is the number of six-element subsets that can be chosen from the set of the first 15 positive integers so that at least three of the six numbers are consecutive.
Find M.

No Solution Yet Submitted by K Sengupta    
Rating: 3.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
General Solution (from the first T numbers)Steve Herman2016-02-10 20:55:43
SolutionJust counting (spoiler)Steve Herman2016-02-10 19:49:00
Solutionpossible (?) solutionAdy TZIDON2016-02-09 21:27:48
found the error in method 2Charlie2016-02-09 16:29:47
Solutionon the other handCharlie2016-02-09 16:15:26
Some Thoughts2 computer solutions; the second is probably rightCharlie2016-02-09 16:06:19
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 (3)
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