Welcome to the staging ground for new communities! Each proposal has a description in the "Descriptions" category and a body of questions and answers in "Incubator Q&A". You can ask questions (and get answers, we hope!) right away, and start new proposals.
Are you here to participate in a specific proposal? Click on the proposal tag (with the dark outline) to see only posts about that proposal and not all of the others that are in progress. Tags are at the bottom of each post.
Rearrange to make 5 fives Question
In the diagram below, the number five is made up of 5 identical line segments.
Reposition the line segments so the number five appears 5 times.
You are not allowed to do anything except moving the line segments.
Hint
Solution is not based on standard base-10 representation.
2 answers
The following users marked this post as Works for me:
| User | Comment | Date |
|---|---|---|
| will.octagon.gibson | (no comment) | Aug 19, 2026 at 16:16 |
My solution
Explanation
This works by using the Roman numeral V for five. There are ten "simple" Vs formed by each half-line and its clockwise neighbour, and I would argue also for ten additional Vs formed by each half-line and its next-but-one clockwise neighbour.
Solution
In Roman numerals the number five is represented by V.
Here are 5 copies of the Roman numeral five:
0 comment threads
1 comment thread