Puzzles

Last Updated : 19 Dec, 2025

Puzzles are a fun and exciting way to sharpen your brain! They’re often used in exams and job interviews to test logical and analytical skills. Whether you’re a school or college student preparing for tests or just want to challenge yourself, solving puzzles can improve your problem-solving abilities.

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Most Asked Puzzles in Interview(2025)

If puzzles are stopping you from doing well in interviews, you’re in the right place to get help. These 10 puzzle interview questions are enough to build a strong foundation for you.

  1. The Burning Ropes
  2. The 25 Horses
  3. The Bridge Crossing Problem
  4. The Poisoned Bottle
  5. The Two-Egg Problem
  6. Four Gallon Problem
  7. Number of Legs in the Palace
  8. The Six Houses
  9. The 8 Ball Problem
  10. Prisoners with Red/Black Hats

1. Analytical / Mathematical Puzzles

Puzzle Title

Asked in Company

Find ages of daughtersGoogle, Microsoft
Calculate total distance traveled by beeYahoo
6×6 Grid - Ways to Reach Bottom RightAmazon, Zoho
Monty Hall problemVMWare
Torch and BridgeGoogle, Microsoft
2 Eggs and 100 FloorsVMWare
Maximize the probability of White BallAmazon
Poison and RatAmazon
Hourglasses PuzzleBank of America, Yahoo
The ratio of Boys and Girls in a Country where people want only boysGoogle, Goldman Sachs
Car Wheel PuzzleMakeMytrip
Maximum ChocolatesInfosys, MakeMytrip
Puzzle | Splitting a Cake with a Missing Piece in two equal portionAlcatel-Lucent, Cognizant
Rs 500 Note PuzzleCAT, UPSC
Girl or BoyAmazon
Know Average Salary without Disclosing Individual SalariesInfosys, Bloomberg.
Maximum run in cricketFAANG
Completion of TaskReflexis Systems
Find missing Row in Excelphilips
Four People on a Rickety BridgeJumbotail, SAP
Man fell in well PuzzleAmerican Express
50 red marbles and 50 blue marblesGoogle, Microsoft, JP morgan chase
Puzzle | Form Three Equilateral TrianglesGoogle
10 identical bottles of pillsZS Associate
Puzzle | Maximum pieces that can be cut from a Circle using 6 straight linesTCS
Chain Link Puzzlecognizant
The shopkeeper and the lady who made a purchase of Rs 200 with fake notePersistent Systems
Egg Dropping Puzzle with 2 Eggs and K FloorsGoogle, Microsoft
Minimum number of Apples to be collected from trees to guarantee M red applesLeetcode
Snail and WallTCS
1000 light bulbs switched on/off by 1000 people passing byUK university interview
Puzzle | Four Alternating KnightsAmazon, Google
TCS DIGITAL PUZZLE | Lateral Thinking 2TCS
Puzzle | 100 Cows And MilkZS
Puzzle | One Mile on the GlobeMicrosoft
TCS DIGITAL PUZZLE | Lateral ThinkingTCS
Puzzle | The Counters and BoardJP-morgan
Camel and Banana PuzzleAmazon, Yahoo
Puzzle | (Six Matches , Right Foot Forward)TCS
How much he had initially?IAS interview question
Puzzle | 3 cuts to cut round cake into 8 equal piecesAdobe, Citius Tech, Cognizant, blackrock
Two Creepers Climbing a TreeAdobe, Google, Microsoft

Read More: Articles on Analytical/mathematical puzzles

2. Logical Puzzles

Puzzle Title

Asked in Company

Pay an employee using a gold rod of 7 units ?FAANG, Ola cabs
Find the fastest 3 horsesAccolite, Goldman Sachs, MakeMyTrip
Finding the injection for AnesthesiaGoogle, Yahoo
3 Bulbs and 3 SwitchesMakeMyTrip, Qualcomm
Camel and Banana PuzzleAmazon, Yahoo
Find the Jar with contaminated pillsMakeMyTrip
100 Prisoners with Red/Black HatsGoogle, Microsoft
10 Coins PuzzleGoogle, Yahoo
Strategy for a 2-Player Coin GameTCS
5 Pirates and 100 Gold CoinsMicrosoft
Minimum cut PuzzleAmazon
Prisoner and Policeman PuzzleMicrosoft
Puzzle - Cheating HusbandMicrosoft, Google
Puzzle – Blind GamesBloomberg L.P.
Puzzle – Chameleons go on a dateAmazon
Heaven and HellAmazon, Infosys
Mislabeled JarsGoogle, Microsoft
8 balls problemMicrosoft, Siemens
Cheryl’s Birthday Puzzle and SolutionFacebook, Whatsapp, Singapore math Olympic
Puzzle – The Lion and the UnicornThe Access Group (UK), TCS
Farmer, Goat, Wolf, and CabbageInfosys
Water Jug ProblemWells Fargo
Blind man and PillsMentor Graphics
The Burning CandlesWipro
Puzzle | The Burning CandlesWipro, IBM, TCS
Rat and Poisonous Milk BottlesGoogle
Measuring 6L water from 4L and 9L bucketsMicrosoft
Six Houses P, Q, R, S, T, and UCAT Quiz
Melting CandlesFaang
Red Hat vs Blue HatMicrosoft
Puzzle | Joint family of seven persons (L, M, N, O, P, Q, and R)TCS
Puzzle | The Circle of LightsMicrosoft, Bloomberg
Puzzle | 9 Students and Red Black HatsGoogle
Light all the bulbsMicrosoft, Bloomberg
Distribute the WaterMicrosoft
Puzzle | Can 2 persons be with same number of hairs on their heads?oppo, inflame
Weight of Heavy BallIBM

Number of Legs in the Palace

UnitedLex

Read More: Articles on Logical Puzzles

3. Arrangement Puzzles

Puzzle Title

Asked in Company

10 Coins PuzzleGoogle, Yahoo
Days of the month using 2 diceMicrosoft
Tic Tac Toe PuzzleAmazon
Matchstick PuzzleKirloskar Brothers, SLB
Last Palindrome Date Before 10/02/2001Amazon
10 identical bottles of pillsZS Associate
10 Balls in 5 LinesPublicis Sapient
Round table coin gameElectrifAi
Puzzle | The Circle of LightsMicrosoft, Bloomberg

Read More: Articles on Arrangement Puzzles

3. Shape based Puzzles

Puzzle Title

Asked in Company

3 cuts to cut the round cake into 8 equal piecesAdobe, Citius Tech, Cognizant
Chessboard and dominosGoogle
Puzzle 36 | (Matchstick Puzzle)SLB
Maximum pieces that can be cut from a Circle using 6 straight linesTCS
Splitting a Cake with a Missing Piece in two equal portionSAP
3 Ants and TriangleIntuit, ZS Associate, EXL

Read More: Articles on Shape based puzzles

4. Mechanical Puzzles

  1. Algorithm to solve Rubik’s Cube
  2. Crossword Puzzle Of The Week #1 (for DSA)
  3. Crossword Puzzle Of The Week #2 (for Computer Science and Applications)
  4. Crossword Puzzle Of The Week #3 (for Database and Queries)
  5. Crossword Puzzle Of The Week #4 (for Object Oriented Programming)
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