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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!
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> Just Math (5)> Science> Algorithms
Difficulty: 3 of 5 Latest: Evaluate area (in Just Math)
Given a 1*1 square.
Find the area of the subset of points that are closer to its center than to any of the square’s sides.
(No Solution Yet, 1 Comments) Submitted on 2024-03-28 by Ady TZIDON   
Difficulty: 2 of 5 Bonus: A 1001 Problem (in Numbers) Rating: 3.25
Determine the quotient and the remainder when a positive integer N constituted entirely by 1001 sevens is divided by 1001.
(Solution Posted, 23 Comments) Submitted on 2007-02-05 by K Sengupta   
Difficulty: 2 of 5Sum of distinct digit number (in Just Math)
Posted on 2024-03-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Cables II (in Tricks)
Posted on 2024-03-27 by Kenny M (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Given the Root, Find the Value (in Just Math)
Posted on 2024-03-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Maximizing products (in Just Math)
Posted on 2024-03-26 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Some factorial and some power (in Just Math) Rating: 3.00
Posted on 2024-03-26 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5No squareless triplets (in Just Math)
Posted on 2024-03-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Best-Of-Five (in General) Rating: 5.00
Posted on 2024-03-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Triple Rearranger (in Numbers) Rating: 5.00
Posted on 2024-03-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 53 3s times 3 3s has 9 9s (in Numbers) Rating: 5.00
Posted on 2024-03-24 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Theorem's proof (in Numbers)
Posted on 2024-03-23 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Move the 3 Digits- Double the Number (in Numbers) Rating: 5.00
Posted on 2024-03-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cables (in General) Rating: 5.00
Posted on 2024-03-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Cube Arranger (in Numbers) Rating: 5.00
Posted on 2024-03-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Counting Partitions (in Just Math)
Posted on 2024-03-21 by Brian Smith (No Solution Yet, 3 Comments)

Recently Posted Solutions:
Difficulty: 3 of 5Oddly Powered (in Just Math)
Submitted By K Sengupta. Solution posted on 2024-03-28 00:28:52
Difficulty: 3 of 5Serpent Attack (in Logic)
Submitted By K Sengupta. Solution posted on 2024-03-28 00:19:35
Difficulty: 3 of 5This And That (in Word Problems)
Submitted By K Sengupta. Solution posted on 2024-03-28 00:00:09
Difficulty: 2 of 5Bricks and Box Baffle II (in Shapes)
Submitted By K Sengupta. Solution posted on 2024-03-27 23:58:32
Difficulty: 3 of 5Side Length Settlement 2 (in Shapes)
Submitted By K Sengupta. Solution posted on 2024-03-27 23:56:01
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