Puzzles FAQ
Frequently Asked Questions about Puzzles.
This FAQ about Puzzles
was compiled and written by Chris Cole chris@questrel.questrel.com and Matthew Daly mwdaly@pobox.com
with numerous contributions by others.
01 What You Should Do Before You Post A Puzzle (rec.puzzles)- If the puzzle that you want to post came from a photocopy, or an e-mail ...
- 02 Frequently Asked Puzzles (specific)
- This section contains, short summaries of the most commonly occurring ...
- 03 ==> balance <== [logic/part5] (Frequently Asked Puzzles - specific)
- You have 12 coins, one of which is counterfeit. The counterfeit ...
- 04 ==> gry <== [language/part2] (Frequently Asked Puzzles - specific)
- What are the three common English words that end in -GRY?...
- 05 ==> oldest.girl <== [probability] (Frequently Asked Puzzles - specific)
- If a person has two children, and truthfully answers yes to the ...
- 06 ==> monty.hall <== [decision] (Frequently Asked Puzzles - specific)
- You're about to play on a game show. There are three doors; behind one ...
- 07 ==> fork.two.men <== [logic/part4] (Frequently Asked Puzzles - specific)
- Two men stand at a fork in the road. One fork leads to Heaven; the ...
- 08 ==> bridge.crossing <== [decision/crossing] (Frequently Asked Puzzles - specific)
- Four men are on one side of a rickety bridge on a dark night. The ...
- 09 Who keeps the fish? (Frequently Asked Puzzles - specific)
- This is a quiz written by Einstein in the last century. He said that 98%...
- 10 ==> situation.puzzles <== [logic/part3 and logic/part4] (Frequently Asked Puzzles - general)
- A man walks into a bar, asks for a drink, the bartender points a gun ...
- 11 Sequence puzzles (Frequently Asked Puzzles - general)
- 12 English language records (Frequently Asked Puzzles - general)
- What's the shortest sentence with all 26 letters? ==> pangram ...
- 13 Paradoxes (Frequently Asked Puzzles - general)
- ==> unexpected <== [logic/part5]...
- 14 The Equation Analysis Test (Frequently Asked Puzzles - general)
- 15 General Posting Guidelines (rec.puzzles)
- This section describes several specific aspects of the culture ...
- 16 Posting puzzle solutions (rec.puzzles)
- When someone posts a puzzle that you know the solution to, or better yet,...
- 17 ObPuzzles
- A facet of rec.puzzles culture that comes from the early days ...
- 18 Sport-flaming (rec.puzzles)
- One of the entertaining pastimes of rec.puzzles is sport-flaming, ...
- 19 The rec.puzzles Archive
- The rec.puzzles archive is a treasure trove of puzzles and ...
- 20 The e-mail archive server (rec.puzzles)
- The easiest way to figure out the archive is to get and read the index....
- 21 Getting to the archive by Internet, FTP, gopher, or WAIS (rec.puzzles)
- 22 The rec.puzzles Oracle
- This is a group of rec.puzzles regulars, who are familiar with ...
- 23 Credit Where Credit Is Due (rec.puzzles)
- The first rec.puzzles FAQ was written by Tom Magliery. Many thanks to ...
- 24 Instructions for Accessing rec.puzzles Archive
- 25 analysis/bicycle.p
- A boy, a girl and a dog go for a 10 mile walk. The boy and girl ...
- 26 analysis/boy.girl.dog.p
- 27 analysis/bugs.p
- 28 analysis/c.infinity.p
- 29 analysis/cache.p
- 30 analysis/calculate.pi.p
- How can I calculate many digits of pi?...
- 31 analysis/cats.and.rats.p
- 32 analysis/dog.p
- 33 analysis/e.and.pi.p
- 34 analysis/functional/distributed.p
- 35 analysis/functional/linear.p
- 36 analysis/integral.p
- 37 analysis/irrational.stamp.p
- 38 analysis/minimum.time.p
- 39 analysis/particle.p
- 40 analysis/period.p
- 41 analysis/rubberband.p
- 42 analysis/sequence.p
- 43 analysis/snow.p
- 44 analysis/tower.p
- 45 arithmetic/7-11.p
- A customer at a 7-11 store selected four items to buy, and was ...
- 46 arithmetic/arithmetic.progression.p
- 47 arithmetic/clock/day.of.week.p
- 48 arithmetic/clock/palindromic.p
- 49 arithmetic/clock/reversible.p
- 50 arithmetic/clock/right.angle.p
- 51 arithmetic/clock/thirds.p
- 52 arithmetic/consecutive.composites.p
- 53 arithmetic/consecutive.product.p
- 54 arithmetic/conway.p
- 55 arithmetic/digits/6.and.7.p
- 56 arithmetic/digits/all.ones.p
- 57 arithmetic/digits/arabian.p
- 58 arithmetic/digits/circular.p
- 59 arithmetic/digits/divisible.p
- 60 arithmetic/digits/equations/123456789.p
- 61 arithmetic/digits/equations/1992.p
- 62 arithmetic/digits/equations/24.p
- 63 arithmetic/digits/equations/383.p
- 64 arithmetic/digits/equations/find.p
- 65 arithmetic/digits/extreme.products.p
- 66 arithmetic/digits/labels.p
- 67 arithmetic/digits/nine.digits.p
- 68 arithmetic/digits/palindrome.p
- 69 arithmetic/digits/palintiples.p
- 70 arithmetic/digits/power.two.p
- 71 arithmetic/digits/prime/101.p
- 72 arithmetic/digits/prime/all.prefix.p
- 73 arithmetic/digits/prime/change.one.p
- 74 arithmetic/digits/prime/prefix.one.p
- 75 arithmetic/digits/reverse.p
- 76 arithmetic/digits/rotate.p
- 77 arithmetic/digits/sesqui.p
- 78 arithmetic/digits/squares/change.leading.p
- 79 arithmetic/digits/squares/length.22.p
- 80 arithmetic/digits/squares/length.9.p
- 81 arithmetic/digits/squares/twin.p
- 82 arithmetic/digits/sum.of.digits.p
- 83 arithmetic/digits/zeros/million.p
- 84 arithmetic/digits/zeros/trailing.p
- 85 arithmetic/pell.p
- 86 arithmetic/subset.p
- 87 arithmetic/sum.of.cubes.p
- 88 arithmetic/sums.of.powers.p
- 89 arithmetic/tests.for.divisibility/eleven.p
- 90 arithmetic/tests.for.divisibility/nine.p
- 91 arithmetic/tests.for.divisibility/seven.p
- 92 arithmetic/tests.for.divisibility/three.p
- 93 combinatorics/alphabet.blocks.p
- 94 combinatorics/coinage/combinations.p
- 95 combinatorics/coinage/dimes.p
- 96 combinatorics/coinage/impossible.p
- 97 combinatorics/color.p
- 98 combinatorics/full.p
- 99 combinatorics/gossip.p
- 100 combinatorics/grid.dissection.p
- 101 combinatorics/permutation.p
- 102 combinatorics/subsets.p
- 103 combinatorics/transitions.p
- 104 competition/contests/games.magazine.p
- 105 competition/contests/national.puzzle/npc.1993.p
- 106 competition/games/bridge.p
- 107 competition/games/chess/knight.control.p
- 108 competition/games/chess/knight.most.p
- 109 competition/games/chess/knight.tour.p
- 110 competition/games/chess/queen.control.p
- 111 competition/games/chess/queen.most.p
- 112 competition/games/chess/queens.p
- 113 competition/games/chess/rook.paths.p
- 114 competition/games/chess/size.of.game.tree.p
- 115 competition/games/cigarettes.p
- 116 competition/games/connect.four.p
- 117 competition/games/craps.p
- 118 competition/games/crosswords.p
- 119 competition/games/cube.p
- 120 geometry/coloring/cheese.cube.p
- A cube of cheese is divided into 27 subcubes. A mouse starts at ...
- 121 competition/games/go-moku.p
- 122 competition/games/hi-q.p
- 123 competition/games/jeopardy.p
- 124 competition/games/nim.p
- 125 competition/games/online/unlimited.adventures.p
- 126 competition/games/othello.p
- 127 competition/games/pc/best.p
- 128 competition/games/pc/reviews.p
- 129 competition/games/pc/solutions.p
- 130 competition/games/poker.face.up.p
- 131 competition/games/risk.p
- 132 competition/games/rubiks/rubiks.clock.p
- 133 competition/games/rubiks/rubiks.cube.p
- 134 competition/games/rubiks/rubiks.magic.p
- 135 competition/games/scrabble.p
- 136 competition/games/set.p
- 137 competition/games/soma.p
- 138 competition/games/square-1.p
- 139 competition/games/think.and.jump.p
- 140 competition/games/tictactoe.p
- 141 competition/tests/analogies/long.p
- 142 competition/tests/analogies/pomfrit.p
- 143 competition/tests/analogies/quest.p
- 144 competition/tests/math/putnam/putnam.1967.p
- 145 competition/tests/math/putnam/putnam.1987.p
- 146 competition/tests/math/putnam/putnam.1988.p
- 147 competition/tests/math/putnam/putnam.1990.p
- 148 competition/tests/math/putnam/putnam.1992.p
- 149 decision/allais.p
- 150 decision/division.p
- 151 decision/dowry.p
- 152 decision/envelope.p
- 153 decision/exchange.p
- 154 decision/high.or.low.p
- 155 decision/monty.hall.p
- 156 decision/newcomb.p
- 157 decision/prisoners.p
- 158 decision/red.p
- 159 decision/rotating.table.p
- 160 decision/stpetersburg.p
- 161 decision/truel.p
- 162 geometry/K3,3.p
- 163 geometry/bear.p
- 164 geometry/bisector.p
- 165 geometry/calendar.p
- 166 geometry/circles.and.triangles.p
- 167 geometry/coloring/cheese.cube.p
- 168 geometry/coloring/triominoes.p
- 169 geometry/construction/4.triangles.6.lines.p
- 170 geometry/construction/5.lines.with.4.points.p
- 171 geometry/construction/square.with.compass.p
- 172 geometry/corner.p
- 173 geometry/cover.earth.p
- 174 geometry/cycle.polynomial.p
- 175 geometry/dissections/disk.p
- 176 geometry/dissections/hexagon.p
- 177 geometry/dissections/largest.circle.p
- 178 geometry/dissections/square.70.p
- 179 geometry/dissections/square.five.p
- 180 geometry/dissections/tesseract.p
- 181 geometry/duck.and.fox.p
- 182 geometry/earth.band.p
- 183 geometry/fence.p
- 184 geometry/hike.p
- 185 geometry/hypercube.p
- 186 geometry/kissing.number.p
- 187 geometry/konigsberg.p
- 188 geometry/ladders.p
- 189 geometry/lattice/area.p
- 190 geometry/lattice/equilateral.p
- 191 geometry/manhole.cover.p
- 192 geometry/pentomino.p
- 193 geometry/revolutions.p
- 194 geometry/rotation.p
- 195 geometry/shephard.piano.p
- 196 geometry/smuggler.p
- 197 geometry/spiral.p
- 198 geometry/table.in.corner.p
- 199 geometry/tetrahedron.p
- 200 geometry/tiling/count.1x2.p
- 201 geometry/tiling/scaling.p
- 202 geometry/tiling/seven.cubes.p
- 203 geometry/topology/fixed.point.p
- 204 geometry/touching.blocks.p
- 205 geometry/tiling/scaling.p
- 206 geometry/tiling/seven.cubes.p
- 207 geometry/topology/fixed.point.p
- 208 geometry/trigonometry/euclidean.numbers.p
- 209 geometry/trigonometry/inequality.p
- 210 group/group.01.p
- 211 group/group.01a.p
- 212 group/group.02.p
- 213 group/group.03.p
- 214 group/group.04.p
- 215 group/group.05.p
- 216 group/group.06.p
- 217 group/group.07.p
- 218 group/group.08.p
- 219 group/group.09.p
- 220 group/group.10.p
- 221 group/group.11.p
- 222 group/group.12.p
- 223 group/group.13.p
- 224 group/group.14.p
- 225 group/group.15.p
- 226 group/group.16.p
- 227 group/group.17.p
- 228 induction/handshake.p
- 229 language/close.antonyms.p
- 230 language/dutch/dutch.record.p
- 231 language/english/equations.p
- 232 language/english/etymology/acronym.p
- 233 language/english/etymology/fossil.p
- 234 language/english/etymology/portmanteau.p
- 235 language/english/frequency.p
- 236 language/english/idioms.p
- 237 language/english/less.ness.p
- 238 language/english/letter.rebus.p
- 239 language/english/malaprop.p
- 240 language/english/piglatin.p
- 241 language/english/pleonasm.p
- 242 language/english/plurals/collision.p
- 243 language/english/plurals/doubtful.number.p
- 244 language/english/plurals/drop.terminal.p
- 245 language/english/plurals/endings.p
- 246 language/english/plurals/man.p
- 247 language/english/plurals/switch.first.p
- 248 language/english/potable.color.p
- 249 language/english/pronunciation/autonym.p
- 250 language/english/pronunciation/homograph/different.pronunciation.p
- 251 language/english/pronunciation/homograph/homographs.p
- 252 language/english/pronunciation/homophone/homophones.alphabet.p
- 253 language/english/pronunciation/homophone/homophones.letter.p
- 254 language/english/pronunciation/homophone/homophones.most.p
- 255 language/english/pronunciation/homophone/trivial.p
- 256 language/english/pronunciation/oronym.p
- 257 language/english/pronunciation/phonetic.letters.p
- 258 language/english/pronunciation/rhyme.p
- 259 language/english/pronunciation/silent.letter.p
- 260 language/english/pronunciation/silent.most.p
- 261 language/english/pronunciation/syllable.p
- 262 language/english/pronunciation/telegrams.p
- 263 language/english/puns.p
- 264 language/english/rare.trigraphs.p
- 265 language/english/self.ref/self.ref.letters.p
- 266 language/english/self.ref/self.ref.numbers.p
- 267 language/english/self.ref/self.ref.words.p
- 268 language/english/sentences/behead.p
- 269 language/english/sentences/charades.p
- 270 language/english/sentences/emphasis.p
- 271 language/english/sentences/pangram.p
- 272 language/english/sentences/repeated.words.p
- 273 language/english/sentences/sentence.p
- 274 language/english/sentences/snowball.p
- 275 language/english/sentences/weird.p
- 276 language/english/sentences/word.boundaries.p
- 277 language/english/spelling/gry.p
- 278 language/english/spelling/j.ending.p
- 279 language/english/spelling/lipograms.p
- 280 language/english/spelling/longest.p
- 281 language/english/spelling/most.p
- 282 language/english/spelling/near.palindrome.p
- 283 language/english/spelling/operations.on.words/deletion.p
- 284 language/english/spelling/operations.on.words/insertion.and.deletion.p
- 285 language/english/spelling/operations.on.words/insertion.p
- 286 language/english/spelling/operations.on.words/movement.p
- 287 language/english/spelling/operations.on.words/substitution.p
- 288 language/english/spelling/operations.on.words/transposition.p
- 289 language/english/spelling/operations.on.words/words.within.words.p
- 290 language/english/spelling/palindromes.p
- 291 language/english/spelling/sets.of.words/ladder.p
- 292 language/english/spelling/sets.of.words/nots.and.crosses.p
- 293 language/english/spelling/sets.of.words/perfect.ladder.p
- 294 language/english/spelling/sets.of.words/squares.p
- 295 language/english/spelling/sets.of.words/variogram.p
- 296 language/english/spelling/sets.of.words/word.torture.p
- 297 language/english/spelling/single.words.p
- 298 language/english/spoonerisms.p
- 299 language/english/synonyms/ambiguous.p
- 300 language/english/synonyms/antonym.p
- 301 language/english/synonyms/contradictory.proverbs.p
- 302 language/english/synonyms/contranym.p
- 303 language/finnish/finnish.plural.p
- 304 language/finnish/finnish.record.p
- 305 language/french/french.palindromes.p
- 306 language/french/french.record.p
- 307 language/german/german.palindromes.p
- 308 language/german/german.record.p
- 309 language/italian/italian.record.p
- 310 language/multi.palindromes.p
- 311 language/norwegian/norwegian.record.p
- 312 language/repeated.word.p
- 313 language/swedish/swedish.record.p
- 314 language/synonymous.reversals.p
- 315 language/vowels.repeated.p
- 316 logic/29.p
- 317 logic/ages.p
- 318 logic/attribute.p
- 319 logic/bookworm.p
- 320 logic/boxes.p
- 321 logic/camel.p
- 322 logic/centrifuge.p
- 323 logic/chain.p
- 324 logic/children.p
- 325 logic/condoms.p
- 326 logic/dell.p
- 327 logic/elimination.p
- 328 logic/flip.p
- 329 logic/flowers.p
- 330 logic/friends.p
- 331 logic/hofstadter.p
- 332 logic/hundred.p
- 333 logic/inverter.p
- 334 logic/josephine.p
- 335 logic/locks.and.boxes.p
- 336 logic/min.max.p
- 337 logic/mixing.p
- 338 logic/monty.52.p
- 339 logic/number.p
- 340 logic/riddle.p
- 341 logic/river.crossing.p
- 342 logic/ropes.p
- 343 logic/self.ref.p
- 344 logic/situation.puzzles.p
- 345 logic/smullyan/black.hat.p
- 346 logic/smullyan/fork.three.men.p
- 347 logic/smullyan/fork.two.men.p
- 348 logic/smullyan/integers.p
- 349 logic/smullyan/painted.heads.p
- 350 logic/smullyan/priest.p
- 351 logic/smullyan/stamps.p
- 352 logic/supertasks.p
- 353 logic/timezone.p
- 354 logic/unexpected.p
- 355 logic/verger.p
- 356 logic/weighing/balance.p
- 357 logic/weighing/box.p
- 358 logic/weighing/find.median.p
- 359 logic/weighing/gummy.bears.p
- 360 logic/weighing/optimal.weights.p
- 361 logic/weighing/weighings.p
- 362 logic/zoo.p
- 363 physics/balloon.p
- 364 physics/brick.p
- 365 physics/bubbles.p
- 366 physics/cannonball.p
- 367 physics/magnets.p
- 368 physics/milk.and.coffee.p
- 369 physics/mirror.p
- 370 physics/monkey.p
- 371 physics/pole.in.barn.p
- 372 physics/resistors.p
- 373 physics/sail.p
- 374 physics/skid.p
- 375 physics/spheres.p
- 376 physics/wind.p
- 377 pickover/pickover.01.p
- 378 pickover/pickover.02.p
- 379 pickover/pickover.03.p
- 380 pickover/pickover.04.p
- 381 pickover/pickover.05.p
- 382 pickover/pickover.06.p
- 383 pickover/pickover.07.p
- 384 pickover/pickover.08.p
- 385 pickover/pickover.09.p
- 386 pickover/pickover.12.p
- 387 pickover/pickover.13.p
- 388 pickover/pickover.14.p
- 389 pickover/pickover.15.p
- 390 pickover/pickover.16.p
- 391 pickover/pickover.17.p
- 392 pickover/pickover.18.p
- 393 probability/amoeba.p
- 394 probability/apriori.p
- 395 probability/bayes.p
- 396 probability/birthday/line.p
- 397 probability/birthday/same.day.p
- 398 probability/cab.p
- 399 probability/coupon.p
- 400 probability/darts.p
- 401 probability/derangement.p
- 402 probability/family.p
- 403 probability/flips/once.in.run.p
- 404 probability/flips/twice.in.run.p
- 405 probability/flips/unfair.p
- 406 probability/flips/waiting.time.p
- 407 probability/flush.p
- 408 probability/hospital.p
- 409 probability/icos.p
- 410 probability/intervals.p
- 411 probability/killers.and.pacifists.p
- 412 probability/leading.digit.p
- 413 probability/lights.p
- 414 probability/lottery.p
- 415 probability/oldest.girl.p
- 416 probability/particle.in.box.p
- 417 probability/pi.p
- 418 probability/random.walk.p
- 419 probability/reactor.p
- 420 probability/roulette.p
- 421 probability/transitivity.p
- 422 real-life/icecubes.p
- 423 real-life/microwave.p
- 424 references/books/bloopers.p
- 425 references/books/masquerade.p
- 426 references/books/maze.p
- 427 references/books/treasure.p
- 428 references/books/unnamed.p
- 429 references/faq.p
- 430 references/magazines.p
- 431 references/organizations.p
- 432 series/series.00.p
- 433 series/series.01.p
- 434 series/series.02.p
- 435 series/series.03.p
- 436 series/series.03a.p
- 437 series/series.03b.p
- 438 series/series.03c.p
- 439 series/series.04.p
- 440 series/series.05.p
- 441 series/series.06.p
- 442 series/series.06a.p
- 443 series/series.07.p
- 444 series/series.08a.p
- 445 series/series.08b.p
- 446 series/series.09a.p
- 447 series/series.09b.p
- 448 series/series.10.p
- 449 series/series.11.p
- 450 series/series.12.p
- 451 series/series.13.p
- 452 series/series.14.p
- 453 series/series.14a.p
- 454 series/series.15.p
- 455 series/series.16.p
- 456 series/series.17.p
- 457 series/series.18.p
- 458 series/series.19.p
- 459 series/series.20.p
- 460 series/series.21.p
- 461 series/series.22.p
- 462 series/series.23.p
- 463 series/series.24.p
- 464 series/series.25.p
- 465 series/series.26.p
- 466 series/series.27.p
- 467 series/series.28.p
- 468 series/series.29.p
- 469 series/series.30.p
- 470 series/series.31.p
- 471 series/series.32.p
- 472 series/series.33.p
- 473 series/series.34.p
- 474 series/series.35.p
- 475 series/series.36.p
- 476 series/series.37.p
- 477 trivia/area.codes.p
- 478 trivia/body.parts.p
- 479 trivia/coincidence.p
- 480 trivia/federal.reserve.p
- 481 trivia/memory.tricks.p
- 482 trivia/quotations.p
