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Subj:     BrainTeasers (Gz)
                 (Includes 79 jokes and articles)

The Brain
comes from
Brain Teaser Central
Includes the following:  Brain Teasers 1 - Cut In Half Pictures
..............................Cut each of fourteen shapes into
..............................equal parts.
.........................Brain Teasers 2 - Non-Wimpy Sequences
..............................For each of ten sequences, you must
..............................describe the sequence using mathematical
..............................terminology and give the next term.
.........................Brain Teasers 3 - How To Build An Elephant
..............................Cut out the six pointed shape.
..............................Fold along the dotted lines to form
..............................an elephant with a head, body, and tail.
.........................Brain Teasers 4 - Construct a Square And A Triangle
..............................Cut out the four shapes.  Arrange them
..............................to form a square.  Rearrange again to
..............................form a triangle.
.........................Brain Teasers 5 - Toothpick Puzzle
..............................Form squares by moving toothpicks.
.........................Brain Teasers 6 - Move The Trains
..............................The two trains need to pass each other on
..............................one railway. The BLUE train travels to the
..............................right and the YELLOW train to the left.
.........................Brain Teasers 7 - da Vinci's Square Puzzle
..............................Cut out the four shapes.
..............................Arrange them to form a square.
.........................Brain Teasers 8 - Roundabout
..............................Cut out the nine shapes.
..............................Arrange them to form a island.
.........................Brain Teasers 9 - Sam Loyd's Square Dissection Puzzle
..............................Draw a square. Draw the auxiliary lines.
..............................Cut out the five shapes.  Build the
..............................seven new solids.
.........................Brain Teasers 10 - Stealth
..............................Print the page.  Cut out the six shapes.
..............................Fit the six shapes in the square.
.........................Brain Teaser 11 - Light Bulb (S413)
.........................Brain Teaser 12 - Six Eggs (S413)
.........................Brain Teaser 13 - Catching A Murderer (S413)
.........................Brain Teaser 13b - Six Glasses (S583c)
.........................Brain Teaser 14 - Chessboard Paradox
..............................How can the two different shapes have
..............................the same parts?
.........................Brain Teaser 15 - Sam Loyd's Geometric Puzzle
..............................Can you find the size of the triangular lake?
.........................Brain Teaser 16 - Sam Loyd's Fifteen
..............................This game called the Slider Puzzle became
..............................the rage in the 1800s.
.........................Brain Teaser 17 - A Baffling Prediction (S467)
..............................A spectator shuffles the deck and places it
..............................on the table. The magician writes the name of
..............................a card on a piece of paper and places it face
..............................down without letting anyone see what has been
..............................written and finds the card
.........................What's Your Profile Profile? (S408b)
..............................Which direction do these profiles face?
.........................Finding Ages By Logic (S375b)
.........................Widower's Age (S374)
.........................The Monty Hall Problem
..............................This comes from an American TV game show.
.........................Alphabet Soup (S507)
..............................Why are some letters above the red line and
..............................some letters below?
.........................Bears And Fish (S508c)
..............................We roll 5 dice... and you get to figure out
..............................how many bears and how many fish there are!
.........................Picture Puzzles (S564b)
.............................. Look at these twelve picture, try to determine
.............................. what they represents.  These are pretty clever.
.........................DoubleTake Puzzles (S577)
.............................. People Magazine is now taking a picture of a
.............................. celebrity each week and producing two pictures
.............................. with six differences.  Can you find the six
.............................. differences the pictures of Orlando Bloon and
.............................. of Rachel Bilson.
.........................Picket Posts By Sam Loyd (S584)
.............................. Can you place sixteen checkers on a checkerboard
.............................. so that only two are on every row, column, and
.............................. diagonal?
.........................Magic Pen (S590)
.............................. You are presented a hands-on experience seeing
.............................. these basic laws of physics being applied to the
.............................. shape you have just drawn.  You can combine object
.............................. with pins and hinges to create machines that come
.............................. to life as they are affected by gravity.  Make
.............................. clever use of their momentum to reach your goal.
........................ Band Around The Earth (S595b)
.............................. A band is placed snugly around the earth.  If
.............................. twenty one feet is added to the band and the
.............................. separation from the earth evened out, how far
.............................. above the earth is the band?
.........................Short Brain Teasers
..............................The History Of Crossword Puzzles (S591b)
..............................Tricky Juggler Game (S565)
..............................Rolley Ball (S549)
..............................All-Out Puzzle (S547c)
..............................Rickshaw Jam (S514)
..............................The Package (S513)
..............................Letters Puzzle (S499c)
..............................Letters Puzzle II (S501c)
..............................Letters Puzzle III (S501)
..............................Assemble The Square... (S499)
..............................Siji (S494c)
..............................Knight's Tour (S493c)
..............................Fiver (S492c)
..............................No Left Turn Maze (S489)
..............................Rubik's Cube II (S487)
..............................Rubik's Cube (S487)
..............................Mastermind Problem (S461)
..............................The Vanishing Area Paradox (S461b)
..............................3D Tic Tac Toe (S460)
..............................Mine Sweeper (S459)
..............................Inwordz (S459b)
..............................Peg Game (S459)
..............................Cubits (S458)
..............................HI-Q (S405b)
..............................The Mind Reader (S398b)
.........................Other Sites Of Interest...

To see other type puzzles go to the following:
         BANKING-SUPP - 'The Moneylender'
         Bottle Caps  -  (See whole file)
         Christmas4   - 'Christmas Carol Picture Puzzle'
         GAMES-SUPP   - 'Chess Puzzle III - 8 Queens Of Death'
         HELL file    - 'The Devil's Muse - Puzzle'
         ILLUSIONS    - 'Two triangles Problem'
......................- (See whole file)
         MAILMAN-ETC. - 'Milkman's Puzzle'
         MATH4 file   -  (See whole file)
         Riddles file -  (See whole file)
         WORD PUZZLES -  (See whole file)
         TEST FACES   -  (See whole file)
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Subj:     Brain Teaser 11 - Light Bulb (S413)
          From: LABLaughsRiddles on 12/27/2004
          At: http://www.ezines4all.com/fun/qa/index.htm
          (See 'Orange Juice Problem' in Math4-Supp
 
 Click 'HERE'
for the answer.

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Subj:     Brain Teaser 12 - Six Eggs (S413)
          From: LABLaughsRiddles on 12/27/2004
          At: http://www.ezines4all.com/fun/qa/index.htm
 
 Click 'HERE'
for the answer.

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Subj:     Brain Teaser 13 - Catching A Murderer (S413)
          From: LABLaughsRiddles on 12/27/2004
          At: http://www.ezines4all.com/fun/qa/index.htm
 
 Click 'HERE'
for the answer.

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Subj:     Brain Teaser 13b - Six Glasses (S583c)
          From: LABLaughsClean on 3/21/08
 Source: http://www.ezines4all.com/fun/qa/q4.htm
 
 Click 'HERE'
for the answer.

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Subj:     What's Your Profile Profile? (S408b)
          From: My thirty-five years of teaching math

 Let's see how observant you are.  Here's a short quiz about
 profiles.  You have seen the familiar faces and figures below.
 In which direction do they face? Are they looking to your
 left or your right?  If you miss 0, 1, or 2 you have done
 super.  If you miss 3, 4, or 5 you did O.K.  If you miss 6
 or more you are as unobservant as me.

  1. The Camel cigarette camel
  2. The Morton salt girl
  3. The Ford Mustang
  4. Alfred Hitchcock's self-caricature
  5. The Playboy bunny
  6. The Mona Lisa
  7. Whistler's mother
  8. Johnnie Walker
  9. RCA's "His Master's Voice" dog
 10. The Arm and Hammer baking soda arm
 11. The eagle on the Great Seal of the United States
 12. George Washington on a quarter
 13. Goodyear tire (winged foot) insignia
 14. The Lowenbrau lion
 15. The Mercury Cougar

 The answer backwards
 .HPARGARAP SIHT FO ELDDIM EHT NI NEDDIH SI REWSNA EHT
 .ENO SIHT TA DOOG OD TON DID I .TFEL ECAF SELIFORP EHT ALL

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Subj:     Finding Ages By Logic (S375b)
          From www.Amazingfacts.com on 04/27/2004

Brain Teaser #2
If Susan is 10, Arabella is 20, and Jim and Neal are both 5,
but Richard is 10, how much is Jennifer by the same system?

[CLICK HERE FOR THE ANSWER]
at
http://www.amusingfacts.com/cgi-bin/surf/surf_pass.cgi?template=brain.html?cfile=brainanswer2.html

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Subj:     Widower's Age (S374)
          From www.Amazingfacts.com on 04/27/2004

 Brain Teaser #1
 A 30 year old man married a 25 year old woman.  She died at
 age 50 and her husband was so devastated that he cried for
 years. Ten years after he stopped crying, he died.  If he
 had lived to be 80, how many years was he a widower?

 [CLICK HERE FOR THE ANSWER]
 at
 http://www.amusingfacts.com/cgi-bin/surf/surf_pass.cgi?template=brain.html?cfile=brainanswer1.html

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Subj:     Magic Pen (S590 in Physics2)
          From: gayleheckman on 4/30/2008
Drawing from BubbleBox.com...
 Source: http://www.bubblebox.com/game/Puzzle/975.htm

 Way back in 1687 Sir Isaac Newton wrote down his famous three
 laws of motion. Now, centuries later, these three basic rules
 have finally found their use.

 You are presented a hands-on experience seeing these basic laws
 of physics being applied to the shape you have just drawn.  You
 can combine object with pins and hinges to create machines that
 come to life as they are affected by gravity.  Make clever use
 of their momentum to reach your goal.
 
Try to beat all 26 challenging levels at the above
source.  There is a Video Walkthroughs if you need
help.  This is a wonderful, educational game.

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Subj:     Band Around The Earth (S595b)
          From: Yahoo! Answers on 6/14/2009
Drawing from CDC.gov...
 Source: http://answers.yahoo.com/question
........./index?qid=20061218145859AA5G77v

 Suppose that the surface of the earth is smooth and spherical
 and that the distance around the equator is 25,500 miles.  A
 steel band is made to fit tightly around the earth at the
 equator, then the band is cut and a piece of band 21 feet
 long is inserted.  Then the separation of the band from the
 earth is spread evenly around the earth.

 Can you slide a piece of paper between the band and the earth?
 Can a mouse crawl between the band and the earth?  Can a small
 dog go between the band and the earth?  To the nearest inch,
 what will be the gap, all the way around, between the band and
 the earth's surface? (Use 3.14 as an approximate value of Pi)

 The solution can be found on my web site by clicking 'HERE'.

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Subj:     Short Brain Teasers

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Subj:     The History Of Crossword Puzzles (S591b)
          From: LABLaughsClean on 5/12/2008
Picture from Markiss.com.uk...
 You can read the history of crossword puzzles, and try
 working the very first crossword puzzle by clicking 'HERE'.
 

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Subj:     Tricky Juggler Game (S565)
          From: FlashArcade.com
          on 11/16/2007
 Source: http://www.flasharcade.com/casino-games/tricky-juggler-game.html
 Test your mental quickness by finding the red ball under
 the three cups.  You can try it at the source above, or
 on my web site by clicking 'HERE'.
 

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Subj:     Rolley Ball (S549)
          From: MentalBay.com on 7/217/2007
Picture from MentalBay
 Source: http://www.mentalbay.com/games/74/games
 Rolling this ball around the maze game takes
 coordination.  You can play it at the source
 above, or on my web site by clicking 'HERE'.
 

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Subj:     All-Out Puzzle (S547c)
          From: MentalBay.com on 7/3/2007
Picture from MentalBay.com
 Source: http://www.mentalbay.com/realgame.php?65
 Turn all the lights out to complete a level.  You
 can play this brainteaser-logic game at the source
 above, or on my web site by clicking 'HERE'.

 You can view the answers to the All-Out Puzzles
 I have solved by clicking 'HERE'.
 

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Subj:     Rickshaw Jam (S514)
          From: Flash Game
          on 11/22/06
 Source: http://www.love268.com/puzzle/Rickshaw_Jam.htm
 Get the rickshaw out of the parking lot.  Good logic game.
 You can play it at the source above, or on my web site by
 clicking 'HERE'.

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Subj:     The Package (S513)
          From: LABLaughsClean
          on 11/17/2006
 Source: http://www.love268.com/action/The_Package.htm
 This short SWF movie is a fun, simple puzzle.  It is worth
 playing.  Try it at the source above, or on my web site by
 clicking 'HERE'.
 

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Subj:     Letters Puzzle (S499c)
          From: The Interactive Math Puzzle Archive
          on 8/11/2006
 Source: http://www.sprucelog.com/lmp/interactive/
 Find meaning in these set of letters.  You can work
 this puzzle at the source above, or on my web site
 by clicking 'HERE'.

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Subj:     Letters Puzzle II (S501c)
          From: The Interactive Math Puzzle Archive on 8/11/2006
 Source: http://www.sprucelog.com/lmp/interactive/

 Explain this letter pattern
 YY U R YY U B I C U R YY 4 ME
 

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Subj:     Letters Puzzle II (S501)
          From: The Interactive Math Puzzle Archive on 8/11/2006
 Source: http://www.sprucelog.com/lmp/interactive/

 What is the last (two letters) item in the sequence?
 EM  EYE  SEE  KAY  EE  WHY  EM  OH  YOU  ES
 

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Subj:     Assemble The Square... (S499)
          From: Apple4TheTeacher.com
          on 8/11,2006
 Source: http://www.apples4theteacher.com/square.html
 Drag the puzzle pieces to create a square. It's not as easy
 as you think!  You can work this puzzle at the source above,
 or on my web site by clicking 'HERE'.
 

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Subj:     Siji (S494c)
          From: MathsNet.net
          on 7/10/2006
 Source: http://www.mathsnet.net/puzzles/siji/index.html
 The goal is to jump all the objects until only one is left.
 There are 46 levels (0 to 45).  I did 1 to 30 in about
 ten minutes.  Go to the source to try this brain teaser.
 

Top
Subj:    Knight's Tour (S493c in Games2)
         From: MathsNet.net
         on 7/4/2006
 Source: http://www.mathsnet.net/puzzles/k_tour/index.html
 In the Knight's Tour you make the knight pass through all
 the squares using chess moves.  The knight can't pass the
 same square twice.  The graphics and play of this game
 are excellent.  Go to the source above to give it a try.
 

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Subj:     Fiver (S492c)
          From: Math.com
          on 6/24/2006
 Source: http://www.math.com/students/puzzles/fiver/fiver.html
 The goal is to convert all of the White pieces on the board
 to Black pieces.  Clicking on a piece with the mouse will
 change it from White to Black, and vice-versa.  It will also
 change the pieces above, below, and to the left and right of
 the selected piece.  You can work this puzzle at the source
 above, or on my web site by clicking 'HERE'.
 

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Subj:     No Left Turn Maze (S489 in Mazes)
          From: ClickMazes
          on 6/6/2006
 Source: http://www.clickmazes.com/noleft/ixnoleft.htm
 Your challenge is to maneuver the black dot to the red square
 without ever turning left, or making a U-turn. Harder than it
 looks.  These four mazes are very logical and definitely fun.
 You will have to play them at the source above.
 

Top
Subj:     Rubik's Cube II (S487)
          From: Eviltron
          on 5/20/2006
 Source: http://www.eviltron.com/modules/esp/esp.html
 A 1500 KB mouse driven Rubik's Cube which plays smoother
 than version one.  Click and release your mouse to twist.
 You can play with it at the source above, or on my web
 site by clicking 'HERE'.
 

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Subj:     Rubik's Cube (S487)
          From: Math Playground
          on 5/20/2006
 Source: http://www.mathplayground.com/RubikCube.html
 This is a mouse driven Rubik's Cube.  It is difficult, but a
 wonderful learning experience.  You can play with it at the
 source above, or on my web site by clicking 'HERE'.
 

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Subj:     Mastermind Problem (S461)
         From: William Wu of U.C.Berkeley on 8/24/2005
 At: http://www.ocf.berkeley.edu/~wwu/riddles/intro.shtml
 At: http://www.ocf.berkeley.edu/~wwu/riddles/medium.shtml#mastermind1
 Try solving this Mastermind problem at the source above, or on my
 web site by clicking 'HERE'.
 

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Subj:     The Vanishing Area Paradox (S461b)
          by Martin Gardner
          From: PlanetPerplex.com on 11/20/2005
 Source: http://www.planetperplex.com/en/sliding_puzzles.html
 (See 'Two triangles Problem' in ILLUSIONS2)

 Cut out the parts of the first rectangle and build the
 second rectangle.  Where did the red area come from?
 You can view this puzzle on the source above, or on my
 web site by clicking 'HERE'.
 

Top
Subj:     3D Tic Tac Toe (S460)
          by Chris Malumphy 2002
          From: Math Cats on 11/11/2005
 Source: http://www.mathcats.com/explore/puzzles/3dtictactoe.html
 Good 3D Tic Tac Toe game.  Logic and planning are necessary to
 win.  You can play it at the source above, or on my web site
 by clicking 'HERE'.
 

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Subj:    Mine Sweeper (S459)
          From: OneMoreLevel.com on 11/10/2005
          Source: http://www.onemorelevel.com/
 I have always been fascinated by the Minesweeper logic
 game.  It can capture your attention for long periods
 of time.  You can play it at the source above, or on
 my web site by clicking 'HERE'.
 

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Subj:     Inwordz (S459b)
          From: igiggle@jokelibrary.net on 11/6/2005
          (See 'Fowl Words' in GAMES-SUPP)
 Source: http://www.pizmogames.com/games/inwordz/index.html
 This word finding game can be played at the source above, or on
 my web site by clicking 'HERE'.
 

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Subj:     Peg Game (S459)
          From: The Shockzone on 11/5/2005
          Source: theshockzone.com
 Jump the pegs like checkers.  See if you can leave only one
 peg on the board.  You can solve this puzzle at the source
 above, or on my web site by clicking 'HERE'.
 

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Subj:     Cubits (S458)
          From: Mind Bluff on 10/31/2005
          Source: http://mindbluff.com/gamecubit.htm
 This SWF game is similar to Rubik's Cube.  You can play it
 at the source above, or on my web site by clicking 'HERE'.
 

Top
Subj:     HI-Q (S405b)
          From: ArcadeNut on October 18,2004
          At: http://www.arcadenut.com/oldies/chinesecheckers.php
 Jump like checkers and get down to one peg.  You can play it
 at the source above, or click 'HERE' for the file version
 

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Subj:     The Mind Reader (S398b)
          From: One Bad St on 9/7/04
 ASt: www.geocities.com/bad_st/obs_mind_reading_game.html
 Excellent version of 'Disappearing Card' trick.  You can
 play at the source above, or click 'HERE' for the file version.

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Subj:     Other Sites Of Interest...

 As I have searched the internet for great Brain Teasers, some
 of the sites I have seen are so rich with material that you
 need to visit them yourself.
 
 
 
Subj:     Puzzle Maniax (S571c)
          From: LABLaughsClean
          on 12/29/2007
 Source: http://www.arcadereign.com/games/414/puzzle-maniax.html

 These jigsaw puzzles are difficult and timed.  Click on the
 pieces to rotate them.  Click on the source above to play.
 
 
 
Subj:     Mind Bluff
          on 11/5/2005
          Source: http://mindbluff.com/

 Prepare to spend days enjoying the many optical illusions,
 brain teasers, puzzles, and games on this site.
 
 
 
 Subj:     Dr. Matrix' Web World of Science
           on 11/12/2005
 Source: http://www.scientium.com/drmatrix/awards/

 This is an excellent source of references in space, biology,
 chemestry, the mind, science, math, oddities, cosmology,
 puzzles and games, and much more.
 
 
 
Subj:     William Wu's Riddles
          From: William Wu of U. C. Berkeley on 11/13/2005 
          Source: http://www.ocf.berkeley.edu/~wwu/riddles/intro.shtml

 This is the best and largest set of math riddles I have found so far
 on the internet.  I have used large blocks of time and only worked
 my way through the easy riddles.  A wonderful site to visit.

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Smiley pondering from
Smiley_Central
.