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  1. Identify the balls
  2. Country List
  3. Find population
  4. Way to Heaven
  5. Manage rectangular cloth for square table
  6. Four Clocks Problem
  7. a logical question i tried to solve using VEN
  8. Brain Teaser!
  9. a logical question..
  10. i use another nick some_one=transgalactic
  11. A question of latitude.
  12. Zeta regularization riddle
  13. Long division with zero to nine substitution
  14. a logical question..
  15. 10 dwarves and a giant.
  16. a logical question..
  17. a biblical riddle..
  18. a logical question..
  19. a logical question..
  20. a logical question..
  21. 12 coins and a balance beam scale
  22. A flight around the world
  23. a question about strategy thinking this logical questions
  24. a logical question..
  25. a logical question..
  26. a logical question..
  27. a puzzle
  28. logical question..
  29. logical question..
  30. where can i find forum that solve these kind of questions..
  31. Balls puzzle.
  32. A three digit number and reversal puzzle
  33. circles and spheres
  34. Ascending Decimal Digit Puzzle
  35. light bulbs
  36. Ten Digits And Operator Puzzle
  37. Tossing a coin... 3 times ?
  38. Another political discussion
  39. Can You See The Patterns..?
  40. Grandpa and Grandma age?
  41. :( Help!
  42. Lockers
  43. IQ like pattern question
  44. The Chinese Remainder Theorem (the CRT)
  45. An Average Speed Paradox
  46. Next number: 61, 115, 771, 4129, 15649, ?...
  47. *Test Your Logical Skills*
  48. Probability Question
  49. Ducks and Chickens
  50. Simple Proof
  51. The Face Game
  52. (Not a text brainteaser) Speed Solving the Rubik's Cube
  53. Fun Brainteaser
  54. What is the next number in the sequence?
  55. In theory, this should be easy....
  56. 3rd grade ?
  57. names. ideas yea?
  58. Another ant riddle
  59. Boy Girl Paradox
  60. puzzle on shapes
  61. National Bureau of Standards, 3 GEE Cal test
  62. Grumpy and Friends
  63. Math Brain Teaser
  64. An ant on a cube
  65. Science Challenge: Prove these magnets won't move
  66. [SOLVED] Funny Money Problem
  67. Coin weightings with two irregular coins
  68. Interesting and challenging IQ questions
  69. Can you solve this sequence?
  70. Interesting hidden message
  71. Geometry puzzle: plane X cylinder = ellipse
  72. [Help!] Strange vague puzzle
  73. Riddle Quiz
  74. Diagonal Garden Path
  75. An extended and much much more challenging version of Einstein's puzzle
  76. A more extended and much much more challenging version of Einstein's puzzle
  77. Untangle
  78. Why is clockwise clockwise?
  79. Math/ Economic brain teaser - due to the credit crisis
  80. thinking out of the cat's box
  81. am i right
  82. thinking outside the clox
  83. Add the numbers from 1 to 100
  84. Riddle. This is really hard. Have fun!
  85. got another one
  86. Riddle Competition Help
  87. 12 balls
  88. what do these have in common
  89. Can you help me solve these sequences
  90. Help please - DOG THE
  91. The Most Creative Response...
  92. Ship
  93. Dogsmead?
  94. The light bulb.
  95. [SOLVED] analogue and digital question (really urgent!)
  96. Help me solve this!!!
  97. Figure this!
  98. Find The Missing Number
  99. Card Game: 24
  100. Simplest way to pay debts
  101. a Martin Gardner problem
  102. Can you solve
  103. Don't burn these ropes
  104. Burn ropes
  105. Mirrors...
  106. letter equations! ie- 7 D of the W = days week
  107. multiply
  108. Interesting...
  109. good math riddles
  110. Can you solve this?
  111. Visual Brain Teasers Thread
  112. Riddle
  113. cube partition
  114. iq 130+ simple but confusing brain teaser.
  115. More crazy, but logical, people ...
  116. Brain Teaser - Scratch!
  117. Microsoft Interview Brain Ache
  118. Heaven or Hell?
  119. Paradox?
  120. Quantum Cat
  121. 2x2, 5x5, and Gordians Knot
  122. Weight of a plane
  123. 8 balls, 2 weighings
  124. Thermonuclear device to destroy hurricanes
  125. Two Riddles
  126. Secuence and series
  127. Troll Bridge
  128. Topology riddle
  129. Tricky Track
  130. How many children
  131. .:Deserted island:.
  132. Dominoes on a Checkerboard
  133. A Circle And Adjacent Number Puzzle
  134. Batman, Robin and Catwoman
  135. Can a cube be cut in 27 smaller cubes in less than 6 cuts?
  136. Funny Brain Teaser
  137. Weighing Puzzle
  138. strange combinatorics
  139. how'd they figure that? (logic puzzle)
  140. Getting max points on a grid
  141. Weighing bags
  142. Complicated Brain Buster!
  143. 3 rooms 3 bulbs
  144. 15 minutes per minute
  145. Location, location, location.
  146. What row comes next?
  147. Good riddles
  148. Cryptanalysis
  149. Averagely difficult brain teaser
  150. In which scenario is this possible?
  151. Interesting Maths Puzzle
  152. i invented a card game based on the 'wheel'
  153. Mirror on the Wall...
  154. hidden code
  155. What Colour is your Hat?
  156. A Handshake Problem
  157. An Integer Temperature Puzzle
  158. Professor's game
  159. Age of kids
  160. what color hat do you have on ?
  161. weighing marbles
  162. next number in a sequence
  163. airplane and conveyor belt
  164. Piece of cake
  165. A tribute to demystifyer
  166. A Color problem.
  167. Ken ju andrstend dis?
  168. Where is the father?
  169. A semi-tough question I came accross
  170. Trigonometry "puzzle"
  171. Brackets
  172. pretty hard (yet simple) puzzle
  173. this is a hard code to crack
  174. A Dinner Puzzle
  175. A Chessboard Puzzle
  176. A monk problem
  177. Bad Coin
  178. Poison Bottles
  179. An Orange Consumption Problem
  180. Hidden Text, People!
  181. Lateral thinking puzzles.
  182. Terminate This If You Can!
  183. Riddle Time!
  184. Lateral Problems
  185. A Space And Time Puzzle
  186. Two Vowel Puzzles
  187. flipping the M
  188. A couple of puzzles
  189. Fill the word ,game.....
  190. Break the code
  191. Sequence
  192. Room on Stilts
  193. Tricky Questions!!!
  194. Top Spin!
  195. doctors...
  196. Brain Teasers Q&A Game
  197. Painting job
  198. Who got a brainteasers book for Christmas... ?
  199. The pole in a lake!!
  200. Fill it up!
  201. Pizza deal
  202. Grandpa's age
  203. Pyramid of Egypt
  204. 1st Day at school
  205. Old Man & Wrinkle
  206. True or false?
  207. Find it why!
  208. Who's that?
  209. Apputten mangoes in a box and you savithree ok?
  210. A question....!
  211. cum'on try thiZzzzzz.....!! :)
  212. Gun Problem
  213. Really good brain teaser site
  214. Albert Einstein's Riddle...
  215. Circle's slightly harder challenge
  216. Superdokey
  217. Circle's brain teaser challenge
  218. Slightly harder
  219. No Peeking
  220. Physics Quiz of the Year
  221. einstein quiz
  222. Really Tough/Fun Brain Teaser
  223. IQ Test Questions
  224. Some new cookies started appearing in The Bakery very recently.
  225. An Examination Puzzle
  226. A Division Puzzle
  227. Math Teaser!!
  228. anybody preparing for multiple question choice exam try this!
  229. Ubi-Ubi's Ruby
  230. Really hard Brain teaser I need help with.
  231. Another Boat Question. Need help though!
  232. Go figure - check this out
  233. Deductive Reasoning Q?
  234. BRAIN TEASER PROBLEM! Please help me!
  235. Prisoner's Choices
  236. absent minded clerk
  237. probability
  238. Still needing HELP..but should have posted this
  239. A ringing headache
  240. I'm new and need HELP
  241. Prove this!(fun proof)
  242. Need Fast Help
  243. I've made a few mistakes in my day
  244. Please don't email me anymore. I just can't take it
  245. Brains=$$$
  246. Decoding/Decrypting sheet music
  247. websites
  248. Prisoner's Dilemma
  249. a word riddle
  250. Needed: More brain teasers
  251. Some brain teasers~~~~Plz look and try....
  252. Shollenbarger's Clock
  253. Connect the dots
  254. fun finding i just found
  255. A real big toughie. Takes some time.
  256. New Da-Vinci-Code-movie puzzle, by Google
  257. Liars and Truth Tellers
  258. Divisibility
  259. Brain Teasers and Math Problems
  260. "Lost" (TV Show) Equations
  261. Machine VS Human
  262. 4 doors to hell riddle
  263. What #?
  264. The solid angle of coffee
  265. What is the 5 numbers?
  266. Permutation derivation?
  267. Dr. Watson and German secret Club
  268. A Puzzler
  269. Simple, but fun
  270. Something easy.
  271. Grammar Lesson #2
  272. I'd had grammar lessons by then
  273. Yet another sequence
  274. 5th puzzle post-the impossible sequence
  275. decrypt this
  276. 4th puzzle post
  277. 3rd puzzle post
  278. Weighing the balls
  279. Two more sequences
  280. "Hardest internet enigma"
  281. Next Number in the Sequence.
  282. divergence of the harmonic series
  283. tattoo teaser
  284. Word Challenge
  285. zio (india) problem i don't know how to solve such problems
  286. Flash Mind Reader
  287. Can you break it !! i bet u cant !
  288. The ants go marching....
  289. N 4's - Redux
  290. dividing space with 5 planes
  291. 12 coins, and one counterfeit.
  292. Chess Bain Teaser
  293. Probability Oddiments
  294. Brain Teaser with Answer Unknown
  295. The Blind Mathematician
  296. The sky is falling down on me
  297. Mod-x
  298. 12 coins
  299. encryption
  300. A little Contest... Show me something that is Absolutlly Useless
  301. Simple Formal Logic Riddle
  302. Cryptogram...
  303. Poker Chip Puzzle...
  304. really challenging puzzle
  305. Color for hidden text
  306. Ths wrd hs n vwls
  307. Anyone good at cryptology?
  308. deductive logic problem
  309. pattern possible?
  310. Einstein's Riddle
  311. Three 3's
  312. my 2nd puzzle post -sequence
  313. my 1st puzzle post
  314. I am the only one here
  315. I was feeling a bit clever
  316. Where's the change?
  317. axes
  318. Orbital Puzzler
  319. Pythagorean triangles
  320. Does God have tile floors?
  321. Four 4s
  322. Need some help with a murder mystery
  323. Confounding handshaking puzzle
  324. familiar numbers puzzle
  325. count the letters
  326. Su Doku
  327. where's the fish?
  328. Next Number?
  329. Never seen on the web
  330. Can't figure this one out
  331. Interesting puzzle involving prediction/preemption
  332. Two daughters in rivalry
  333. primes
  334. switches-lightbulbs
  335. Race between Bon Jovi and Kurt Kobain
  336. Help these poor little frogs!
  337. Mr Explorers treasure hunt
  338. Algorithm ponderer
  339. advantage of both.
  340. Another Sequence...
  341. help
  342. beads puzzle
  343. 5-suit Texas Hold 'Em: ace high beats one pair
  344. camera angles
  345. Barber's paradox
  346. MI String
  347. Metric System Story
  348. space ship collision
  349. The ole 12 snooker ball question (and my job!)
  350. Logic Lovers
  351. Cannibals
  352. In a certain country
  353. 12:34
  354. Bear
  355. Another river problem..
  356. how'd he know there was sh.it on his head?
  357. Mirror
  358. puzzle idea
  359. TRAIN Driver.
  360. Square root of 3?
  361. hay... magic.
  362. Pity Man need help....
  363. Corey the camel
  364. square roots
  365. basic problem
  366. Save 10 prisoners
  367. Does anyone know this question ??
  368. Two person with the same number of friends?
  369. 12 objects and only three experiments
  370. Movie Tickets
  371. Four Nines Puzzle
  372. A sequence of sorts...
  373. 1, 2, 3, 4, 5, 6, 7, 8
  374. Fibonacci sequence
  375. Elliptical Constant
  376. the power of 7
  377. Get them across the river...
  378. Grade 2 Puzzle
  379. Microsoft interview questions
  380. Geometry Puzzle
  381. Number Patterns!
  382. Statistical Geometry
  383. The hardest logical puzzle according to George Boolos
  384. sense
  385. Car game
  386. Sequence
  387. Simple puzzle
  388. faulty coins
  389. faulty balls
  390. substrings and superstrings
  391. Minesweeper puzzle
  392. The Lift Problem
  393. Sliding Blocks
  394. Mysterious
  395. Four fours
  396. Three bulbs.
  397. 6-inch bar
  398. Einstein, the farmer and the cows
  399. Minesweeper puzzle
  400. Procedure
  401. Poison bottles
  402. trademark
  403. Need solution to this puzzle
  404. factors
  405. Petals around the Rose
  406. yet another number pattern
  407. another number pattern
  408. Missing person illusion
  409. A Bridge Puzzle
  410. A Logic Puzzle
  411. Sharing Tuskers
  412. Bisect a plane figure.
  413. Tiling problem
  414. inspector Colombo
  415. Cheaper by the dozen
  416. big commute
  417. Sequence
  418. Trick question
  419. Navigation Problem
  420. Nine Dots
  421. 142[999]857
  422. Need good riddles!
  423. Why No Explosion?
  424. Somewhat Simple Pattern
  425. Universal Sequence
  426. Ticket writing protocol.
  427. Would you jump off too?
  428. triangle
  429. The GREAT thread of riddleness!!!
  430. Help really really really needed!
  431. Another riddle
  432. Riddle
  433. Help Please!!
  434. Puzzles at the MathCad website
  435. Squared Pattern
  436. Murder Mystery
  437. Yet Another Pattern?
  438. Next Number
  439. Square Pyramid puzzle
  440. Chess problem: White to mate in 2
  441. Easy logical number puzzle
  442. Another pattern
  443. A small problem
  444. boggle your mind
  445. Multiplying by 2
  446. Last Wish
  447. Picture puzzle
  448. Missing Dollar
  449. Numbers - Confused Yet?
  450. alone in the dark
  451. who am i?
  452. Adequately showered?
  453. This one may be easier than cannibal logic
  454. Cannibal Logic
  455. Fisher's riddle.
  456. Quick Little Word Teaser
  457. hard logic problem
  458. the easiest logic puzzle of all time
  459. A somewhat easier liar/truther puzzle
  460. hardest logic problem ever
  461. fake coins
  462. Unusually common dice
  463. sqrt
  464. Painting the plane
  465. Math professor and number of rooms
  466. Pattern
  467. Complete the Array Series
  468. Helpppppppppppppppp!
  469. The method
  470. who am I?
  471. teaching
  472. An important part of the boat
  473. hand shaking (again)
  474. Numeric Nonsense
  475. Stupid Seller???
  476. egg dancing (or something)
  477. An age-old problem
  478. old brain teaser....
  479. Math limerick
  480. Math limerick
  481. Dichotomy
  482. [SOLVED] The Bear and the Food
  483. Sum of diagonals
  484. HELP...I Can't Figure Out These Number Patterns
  485. infinity
  486. Knowledge Horizon Contest
  487. integration x^-1
  488. time
  489. What will be the resistance
  490. Fly in a car
  491. Quick and witty!
  492. Paparidox
  493. If you ever said any of these, think twice
  494. More this is not pron
  495. Nuber problem
  496. Night of the living straight edge!
  497. 3 light bulbs 3 switches
  498. Picutre Puzzles.
  499. Brainteasers....
  500. pattern
  501. Hardest puzzle on the internet
  502. Cursive letters
  503. You are cordially invited to match wits with some of the best minds in IBM Research.
  504. The dog jumped over the fence? Polysemys
  505. Binary Sequence
  506. Sequence
  507. Spiders
  508. Worlds
  509. Pattern
  510. Try to find out what this is :
  511. Getting out
  512. Flight distance
  513. Camera Mystery
  514. Pirates
  515. King and his knight
  516. Stairs.
  517. A Riddle
  518. Relativity Rabbit
  519. Land
  520. World's easiest quiz
  521. The Bear
  522. Difficult "IQ" test
  523. Pearls before swine
  524. find x
  525. Arithmethic
  526. Trains
  527. Need some Free Flash Math Puzzles
  528. Hong Shui
  529. tria
  530. rainy day
  531. round table
  532. Liquid
  533. Puzzle game
  534. shoes
  535. Mr. Fubini
  536. Mental arithmetic
  537. Frogleap
  538. What animal and elephants?
  539. Triangle paradox
  540. tower of hanoi
  541. find ef
  542. in term of
  543. Anyone know good math games?
  544. Who am I?
  545. a truel (part 1)
  546. Plz help me in this light problem
  547. Eot-Cat-Cit
  548. PLz help me in this Corner Reflector Problem
  549. hanging over the edge
  550. Twins
  551. Man Vs Bus
  552. find x
  553. Sequence
  554. Happy Math
  555. Not an exact brain teaser, but..
  556. Without using a calculator
  557. speeding car
  558. Chess puzzle
  559. the dark room
  560. Petals Around the Rose.
  561. What next?
  562. When rotten PF members were rotten PF kids
  563. The Solution To The Hardest Logic Puzzle Ever!
  564. Handshakes
  565. Where the hell is Gokul?
  566. Counting paths
  567. Speed Dating the PF Sisterhood
  568. Sexy underwear worn by PF Sisterhood.
  569. prove!!!
  570. Puzzler
  571. coin weighing problem (ibm)
  572. Extremely cool IQ test
  573. weird pattern on car
  574. Money Machines
  575. The Hardest Logic/puzzle Question Of All Time!
  576. Number Sequence
  577. More cat and mouse
  578. Cat and mouse
  579. Stepping paths II
  580. How is it possible ?
  581. Stepping paths
  582. Spheres
  583. Family Members
  584. Triangle with extra area???
  585. Slipping stick
  586. Lightbulbs!
  587. Infinite possibilities
  588. n-dimensional trianglehedron?
  589. Huygens & non-orbital re-entry speed
  590. what comes next?
  591. make 21
  592. El Cheapo Number Game
  593. Hmuan Mnid-Paomnnehel Pweor
  594. Arithmetical teaser
  595. almost infinity
  596. Trig.quiz
  597. Math/drinking teaser
  598. logical thought
  599. Which travels fastest?
  600. What is the mystery item?
  601. Einstein's riddle
  602. Magic camera
  603. Come play If u Dare !!!
  604. reducing 1 million to 7
  605. Come play IF you Dare!!!
  606. what is it?
  607. can you explain this?
  608. hot coffee!!
  609. let ur mind work
  610. sum of series???
  611. Prove this!
  612. happy numbers
  613. Can you solve this riddle?
  614. Practice your LATEX skills!!!!!
  615. riddle
  616. A cow dance
  617. Hair of the Dog
  618. The Dark Room
  619. Inertia
  620. How does it turn?
  621. Simple Math...
  622. Magic square
  623. I want to ride my bicycle
  624. Help!!!
  625. 7-11
  626. Piss Bottle
  627. lockers
  628. how old are my 3 children?
  629. Win A Dollar!!!
  630. Ten Sheep
  631. It's good for you
  632. Equator and Polar Clocks
  633. Physics Teasers : Part 1
  634. 101 from 3, 4, 8 and 9
  635. How high can you count on fingers and toes?
  636. Take me to your leader
  637. Code
  638. Smargest number
  639. 2=1
  640. Why do race cars use wide tires?
  641. tunnel through the centre
  642. Something a little different
  643. My corny brain teaser 2
  644. As I was going to St. Ives
  645. Scientists don't have the answer...
  646. Fairly easy brain teaser
  647. pills
  648. Floating
  649. Missing digit
  650. German Logic
  651. Need help with this puzzle...
  652. A 3-D collision
  653. This is Not Pron
  654. Pocket Calculator
  655. Digital Pedometer for energy expended in exercise
  656. how bright?
  657. time dilation
  658. Flying weight change
  659. Trebuchet anyone?
  660. This Statement Is False
  661. the difference between a chicken
  662. if 3 cats eat 3 mice in 3 minutes; how many cats for 100 mice in 100 minutes?
  663. Yes, all the information needed is there
  664. Bridge over troubled waters
  665. Brain teaser.
  666. Infinite array of resistors
  667. Mile hill
  668. permutation groups
  669. 64 Squares
  670. Geometry problem
  671. "Cuckoss's Egg" sequence, next number?
  672. Number Theory
  673. The illiterate art critic
  674. A problem of lint
  675. Math Problem
  676. Logical Question
  677. can your brain handle this 2?
  678. Funny Riddle
  679. Cut up the star
  680. -1 = 1
  681. Hunting ducks. Not too hard.
  682. Easy teaser. Well, its not really teasing then is it???
  683. How Old Are the Three Sons?
  684. Fun little riddle
  685. Neverneverland and the three old men
  686. Motion of Particle in a Magnetic Field
  687. easy problem
  688. shortest path
  689. class
  690. biggest number
  691. who's the spy?
  692. camel and fig
  693. Treasure Hunt Solutions
  694. Age of the ship?
  695. The PF Treasure Hunt
  696. Good riddle, How do you get off the island?
  697. Five and One
  698. where is the 2 bucks?
  699. Brain Teasers Help
  700. wanna brain teasers?
  701. find P
  702. What is the time?
  703. box thing
  704. Matching game
  705. large number...
  706. What is this ?
  707. No Peeking!
  708. Creative (lateral) thinking to solve a complex problem
  709. Unsolved Equation
  710. Professor
  711. Signboard injury
  712. Professor's Lab
  713. Two beers
  714. Temperature of Iron.
  715. Five Rooms puzzle
  716. Another Site's Questions
  717. Fox, Sheep, Cabbage problem - revisited
  718. Light Switches
  719. High-voltage!
  720. a wicked master
  721. Google Labs Aptitude Test
  722. Parenthize
  723. How old are my daughters?
  724. tricky lockers...
  725. pyramids
  726. Feilds on the edge of town
  727. Fox sheep cabbage - mind emotions body
  728. [SOLVED] Two fat guys
  729. 5th grade brain teaser
  730. Sister probability
  731. Hydrogen Room
  732. the product
  733. Crack the code!
  734. 12 red snooker balls
  735. Ten Digit Numbers
  736. expert puzzle
  737. Doobie weigher
  738. Nine Digit Numbers
  739. Balls in boxes ( probability )
  740. Simple number game
  741. beans
  742. Forty 1lb Weights
  743. handshakes
  744. cultural groups
  745. blind man
  746. I lost my calculator batteries in a flood.....
  747. truth teller vs liar : go to Hell !
  748. Bridge Circuit
  749. Three-Dimensional Resistance
  750. Coloured Hats
  751. Infinite Ladder Network
  752. Math Problem
  753. From D to M, how far and what way
  754. Riddles!
  755. Teasing your brain
  756. 1+1= ?
  757. Two old men....
  758. Two Cubes in 3d
  759. Slice the Donut
  760. brownies
  761. Going off on a tangent.....
  762. Last geometry challenge (very difficult)
  763. A Geometry challenge
  764. center of mass
  765. Logic Problem – test your logic
  766. What does a soda cost?
  767. A rolling problem
  768. Read the mixed up words
  769. Philosophical Beliefs
  770. More Dice
  771. Box Clever
  772. fake coin #2
  773. fake coin
  774. the door story
  775. next door neighbours
  776. Medication problem
  777. Who owns the fish?
  778. riddle poem
  779. more strange words
  780. check or bet
  781. total distance
  782. How old are they?
  783. Strange words...
  784. Quickie
  785. What can you share yet still have all for yourself
  786. I live just over a star, and yet I do not burn
  787. Petals Around The Roses
  788. Row, Row, Row your boat...
  789. R = PI Ohms
  790. Flowers (hope this one lasts a bit longer)
  791. Scouts
  792. Drawing a path
  793. Crossing the desert (in a steam powered car)
  794. $60,000.00 question
  795. Hats
  796. Black's last move?
  797. Searching for a non-negative integer...
  798. Color of Bear Puzzle
  799. tiles
  800. Help
  801. Kind of Riddle
  802. 5 Star Logic Problem (100 prisoners and a light bulb)
  803. Paint mixing
  804. Canned Hams - quickie
  805. what came first?
  806. Shock absorber
  807. beer story
  808. Digging to China
  809. Math related riddle!!!
  810. Late for school?
  811. Rope clocks
  812. Impish Sprite
  813. d[x[sup]2[/sup]]/dx = x
  814. Triangle Puzzle
  815. riddle
  816. a wolf, a goat and cabbage
  817. Brian Teaser++++++++
  818. Quickie
  819. new riddle
  820. Hats Off to the Ministers
  821. Brain Teaser #98
  822. riddle
  823. lying about truth
  824. simple code
  825. Brain Teaser #94
  826. Brain Teaser #93
  827. Brain Teaser #92
  828. Brain Teaser #91
  829. Brain Teaser #90
  830. Help needed on a brainteaser
  831. Brain Teaser #89
  832. reTurn Time - 3
  833. Brain Teaser #87
  834. reTurn Time - 2
  835. reTurn the time
  836. Brain Teaser #84
  837. Brain Teaser #83 (and I promise there is only one right answer)
  838. Brain Teaser #82
  839. Brain Teasers Open to All
  840. Brain Teaser #81
  841. Brain Teaser #80
  842. Brain Teaser #79
  843. Brain Teaser #78
  844. Brain Teaser #77
  845. Brain Teaser #76
  846. Brain Teaser #75
  847. Brain Teaser #74
  848. Brain Teaser #73
  849. Brain Teaser #72
  850. Brain Teaser #71
  851. Brain Teaser #70
  852. Brain Teaser #69
  853. Brain Teaser #68
  854. Brain Teaser #67
  855. Brain Teaser #66
  856. Brain Teaser #65
  857. Brain Teaser #64
  858. Brain Teaser #63
  859. Brain Teaser #62
  860. Brain Teaser #61
  861. Brain Teaser #60
  862. Brain Teaser #59
  863. Brain Teaser #58
  864. Brain Teaser #57
  865. Brain Teaser #56
  866. Einstein's Intelligence Quiz ?
  867. Brain Teaser #45
  868. Brain Teaser #54
  869. Brian Teaser #53
  870. Brain Teaser #52
  871. Brain Teaser #51
  872. Logic puzzle
  873. Brain Teaser #50
  874. Brain Teaser #49
  875. Brain Teaser #48
  876. Brain Teaser #47
  877. Brain Teaser #46
  878. Brain Teaser #45
  879. Brain Teaser #44
  880. Brain Teaser #43
  881. Brain Teaser #42
  882. Brain Teaser #41
  883. Brain Teaser #40
  884. Brain Teaser #39
  885. Brain Teaser #38
  886. Brain Teaser #37
  887. Brain Teaser #36
  888. Brain Teaser #35
  889. Brain Teaser #34
  890. Brain Teaser #33
  891. Brain Teaser #32
  892. Brain Teaser #31
  893. Brain Teaser #30
  894. Brain Teaser #29
  895. Brain Teaser #28
  896. Brain Teaser #27
  897. Brain Teaser #26
  898. Brain Teaser #25
  899. Brain Teaser #24
  900. Brain Teaser #23
  901. Brain Teaser #22
  902. Brain Teaser #21
  903. Brain Teaser #21
  904. Brain Teaser #20
  905. Brain Teaser #19
  906. Brain Teaser #18
  907. Brain Teaser #17
  908. Brain Teaser #16
  909. Brain Teaser #15
  910. Brain Teaser #14
  911. Brain Teaser #13
  912. Brain Teaser #12
  913. Brain Teaser #11
  914. Brain Teaser #10
  915. Brain Teaser #9
  916. Brain Teaser #8
  917. Brain Teaser #7
  918. Brain Teaser #6
  919. Brain Teaser #5
  920. Brain Teaser #4
  921. Question #3
  922. Question #2
  923. Question #1