All Puzzles

Rolling the bulletPirates & The TreasureThe Returning ExplorerWhich Switch?Lucky CandyAll Girls World?Tigers & The SheepDuck & FoxThe Plane in the WindBurning CordsPair of SocksAntipodal pointsAccidents in Half TimeMonty Hall ProblemPrisoner's HatFork in RoadWater & Wine100 Light bulbsGetting fair result from unfair coinWaiting for the Train2 Eggse^Pi or Pi^eShooting in CircleInvisible DiceDaughter or SonDark Room DeckCheating HusbandsFather of liesDevil's PennyWitches at the coffee shopPoisonous wineDrunk Passenger?Stick to TriangleRabbit on the StaircaseSharing WoodInfinity & BeyondChuck a LuckMULTILINGUALGuess the TossPattern on SnowflakesKing's SalaryCounting on friendsRandom RatioSecond ChanceInnocent MonkeyConsecutive HeadsChess TournamentNumber of Double HeadsBreaking StickPrisoner's Hat (multicolor)Rainbow Hats2 Equations & 3 Unknowns Domino CoveringFruit MagicCatching AntsColor ComplexLight Bulbs in circleChocolate BarDead Men WalkingSquare InfectionColored Runs of CardsDrunk AntDistance from North PoleExpected Breakup LengthMessing with EnvelopsCollecting Lucky couponsThe NoodlesDistinct Number DrawsGreed for an ACERandom point on diskEnclosing The CenterSum To OneRandom WalkLeft Some CandiesCatching the SubmarineCatching the SpyPure GoldGame of DivisorsCounter StrikeSharing a SecretWeights ReckoningGas Stations on Circular TrekBricking BoxTo Begin or Not to begin?Crazy PostmanSingle BidWaiting for a TruckThe Blind ArcherRed Dead RedemptionClan SizeMin & MaxPrisoner's Hat (Infinity)Crazy ClockCandy GameOverlapping CoinsScaling a SquareConsecutive sumsIntersecting PillarsWeird SequencesColor Switches


Brainstellar gives step-wise approach to interview puzzles and written tests for analytics and Quant jobs. The puzzles are divided into various albums: Easy, Medium, Hard, Probability, Discrete Maths, Strategy puzzles and General Tricks. In each album the puzzles start from easy to difficult level. Even in easy puzzles album, puzzles are sorted in a conceptual way. Every puzzle is unique and logical, requiring minimal calculations.

Easy level covers all common puzzles asked in technical interviews. Select medium or hard level to prepare for quant interviews, or written puzzle test.

Brainstellar started as deadly puzzles' page on facebook. You can send message to the facebook page.Brainstellar on facebook

About the Author

Feel free to connect with me on various platforms.Varun Seth on LinkedInVarun Seth on Github