All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info
Home
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 (2)
> Numbers (1)> Games> Paradoxes> Riddles
> Just Math> Science> Algorithms
What 3-dgit number abc squared divides abcabc?

NB: italic font denotes a concatenation, as opposed to a product.

(No Solution Yet, 1 Comments) Submitted on 2018-09-22 by Ady TZIDON   
Difficulty: 2 of 5 Bonus: Count with me (in Sequences) Rating: 4.25
1,1,2,1,3,2,4,1,4,3,5,2,6,4,?
(Solution Posted, 16 Comments) Submitted on 2005-05-26 by Tristan   
Difficulty: 3 of 5Antigrams wanted (in Word Problems) Rating: 5.00
Posted on 2018-09-21 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Odd, but true (in Word Problems)
Posted on 2018-09-20 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Cash Box (in Numbers)
Posted on 2018-09-19 by Charlie (No Solution Yet, 0 Comments)
Difficulty: 3 of 5One rope, two flagpoles... (in Logic) Rating: 5.00
Posted on 2018-09-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Name the sequence (in Sequences)
Posted on 2018-09-17 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 531 days ago (in Word Problems)
Posted on 2018-09-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Always solvable (in Numbers)
Posted on 2018-09-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A packing exercise (in Shapes)
Posted on 2018-09-14 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5A formal proof requested (in Just Math) Rating: 3.00
Posted on 2018-09-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5It is either O or E (in General)
Posted on 2018-09-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Lefties and righties 2 (in Logic) Rating: 3.00
Posted on 2018-09-11 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Painless Problem (in Word Problems) Rating: 3.00
Posted on 2018-09-10 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Fibo meets Lucas #1 (in Numbers)
Posted on 2018-09-09 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Compare them (in Numbers)
Posted on 2018-09-08 by Ady TZIDON (No Solution Yet, 7 Comments)

Recently Posted Solutions:
Difficulty: 3 of 5Increasing sequences (in Just Math)
Submitted By Ady TZIDON. Solution posted on 2018-09-21 09:29:10
Difficulty: 3 of 5Odd, but true (in Word Problems)
Submitted By Ady TZIDON. Solution posted on 2018-09-21 08:21:41
Difficulty: 2 of 5Counting magic squares (in Just Math)
Submitted By Ady TZIDON. Solution posted on 2018-09-21 08:04:54
Difficulty: 2 of 5Painless Problem (in Word Problems)
Submitted By Charlie. Solution posted on 2018-09-16 09:58:17
Difficulty: 3 of 510-Word Square (in Word Problems)
Submitted By Charlie. Solution posted on 2018-09-06 09:56:24
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 (5)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2018 by Animus Pactum Consulting. All rights reserved. Privacy Information