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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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Difficulty: 4 of 5 Latest: Fibonacci Fib (in Sequences)
1, 1, 2, 3, 5, 8, 13, 29, 31, 36, 41, 64, 65, 66, 73, __, ...
(No Solution Yet, 0 Comments) Submitted on 2017-02-23 by Math Man   
Difficulty: 2 of 5 Bonus: Hearts And Spades (in General) Rating: 2.67
Three playing cards, removed from an ordinary deck, lie face down in a horizontal row.

Immediately to the right of the King there's a Queen or two.

Immediately to the left of a Queen there's a Queen or two.

Immediately to the left of a Heart there's a Spade or two.

Immediately to the right of a Spade there's a Spade or two.

Name the three cards in order.

(Solution Posted, 29 Comments) Submitted on 2003-05-14 by Ravi Raja   
Difficulty: 4 of 5Italian, English, and both (in General)
Posted on 2017-02-22 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Integer triplets (in Just Math)
Posted on 2017-02-21 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5The toll of two cities (in Geometry)
Posted on 2017-02-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Circumcenters and Incenters (in Geometry)
Posted on 2017-02-19 by Bractals (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Square expressions (in Numbers)
Posted on 2017-02-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Placing 4 integers within a set interval (in Just Math)
Posted on 2017-02-17 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sets' intersection (in Just Math)
Posted on 2017-02-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5S.O.S. is not a prime (in Numbers)
Posted on 2017-02-15 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Odds are ... (in Probability) Rating: 3.00
Posted on 2017-02-14 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Same Letter, Same Color (in Word Problems) Rating: 3.00
Posted on 2017-02-13 by Charlie (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Trying to reach a Pythagorean triplet (in Just Math)
Posted on 2017-02-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5No crossing (in General)
Posted on 2017-02-11 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Most words from your word (in Word Problems)
Posted on 2017-02-10 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Lies, truth, and logic (in Liars and Knights) Rating: 1.00
Posted on 2017-02-09 by Ady TZIDON (No Solution Yet, 2 Comments)

Recently Posted Solutions:
Difficulty: 3 of 54 is five and 5 is four (in Word Problems)
Submitted By Ady TZIDON. Solution posted on 2017-02-17 23:29:21
Difficulty: 3 of 5Off and On (in Logic)
Submitted By Charlie. Solution posted on 2017-02-05 09:27:12
Difficulty: 3 of 5One to rule them all. (in Sequences)
Submitted By broll. Solution posted on 2017-02-04 00:36:33
Difficulty: 3 of 5Alphabetical Crossword (in Word Problems)
Submitted By Charlie. Solution posted on 2017-01-18 07:53:07
Difficulty: 2 of 5When is it a square? (in Just Math)
Submitted By Ady TZIDON. Solution posted on 2017-01-15 22:22:22
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