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Welcome to perplexus.info, flooble's perplexing puzzle portal. Here, we collect all sorts of puzzles, from simple logic questions and word tricks to in-depth math problems like probability and geometry. Click around and see if your brain is up to the task! If you're new here, make sure you sign up so that you can leave comments and submit your own problems!
> Logic> Probability> Shapes> General (1)
> Numbers> Games> Paradoxes> Riddles
> Just Math (1)> Science> Algorithms
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|20 |8  |1  |26 |18 |   |4  |26 |18 |9  |   |17 |3  |8  |15 |
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|18 |26 |4  |   |3  |16 |26 |18 |20 |9  |4  |   |18 |6  |4  |
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|26 |4  |14 |8  |   |20 |18 |3  |4  |   |3  |8  |14 |4  |9  |
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(No Solution Yet, 0 Comments) Submitted on 2020-02-21 by Math Man   
Find all polynomials H(x) such that:

H(2x) = H'(x)*H"(x)

(Solution Posted, 2 Comments) Submitted on 2007-09-25 by K Sengupta   
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Posted on 2020-01-22 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Set-Free (in Logic) Rating: 2.00
Posted on 2020-01-20 by Charlie (Solution Posted, 1 Comments)

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