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Top 100 Puzzles Asked In Interviews

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Puzzles are asked in Interviews to check our problem-solving skills. Here we are providing you with the top 100 puzzles that are asked in Interviews. The main aim of puzzles is entertainment. Puzzles can be of many types:- picture puzzles, logical puzzles, mathematical puzzles, etc. It is very helpful for the development of young minds and growth. The solver of a puzzle must arrive at the correct answer, or answers, by thinking or putting pieces together in a logical way.

Below is the list of the top 100 puzzles that are asked in Interviews:

Logical Puzzles:

S.No.

Puzzle Title

Asked in 

1Pay an employee using a gold rod of 7 units ?FAANG, Ola cabs
2Find the fastest 3 horsesAccolite, Goldman Sachs, MakeMyTrip
3Finding the injection for AnesthesiaGoogle, Yahoo
43 Bulbs and 3 SwitchesMakeMyTrip, Qualcomm
5Camel and Banana PuzzleAmazon, Yahoo
6Find the Jar with contaminated pillsMakeMyTrip
7100 Prisoners with Red/Black HatsGoogle, Microsoft
810 Coins PuzzleGoogle, Yahoo
9Strategy for a 2-Player Coin GameTCS
105 Pirates and 100 Gold CoinsMicrosoft
11Minimum cut PuzzleAmazon
12Prisoner and Policeman PuzzleMicrosoft
13Puzzle – Cheating HusbandMicrosoft, Google
14Puzzle – Blind GamesBloomberg L.P.
15Puzzle – Chameleons go on a dateAmazon
16Heaven and HellAmazon, Infosys
17Mislabeled JarsGoogle, Microsoft
188 balls problemMicrosoft, Simence
19Cheryl’s Birthday Puzzle and SolutionFacebook, Whatsapp, Singapore math Olympic
20Puzzle – The Lion and the UnicornThe Access Group (UK), TCS
21Farmer, Goat, Wolf, and CabbageInfosys
22Water Jug ProblemWells Fargo
23Blind man and PillsMentor Graphics
24The Burning CandlesWipro
25Puzzle | The Burning CandlesWipro, IBM, TCS
26Rat and Poisonous Milk BottlesGoogle
27Measuring 6L water from 4L and 9L bucketsMicrosoft
28Six Houses P, Q, R, S, T, and UCAT Quiz
29Melting CandlesFaang
30Red Hat vs Blue HatMicrosoft
31Puzzle | Joint family of seven persons (L, M, N, O, P, Q, and R)TCS
32Puzzle | The Circle of LightsMicrosoft, Bloomberg
33Puzzle | 9 Students and Red Black HatsGoogle
34Light all the bulbsMicrosoft, Bloomberg
35Distribute the WaterMicrosoft
36Puzzle | Can 2 persons be with same number of hairs on their heads?oppo, inflame
37Weight of Heavy BallIBM

Mathematical And Analytical Puzzles:

S.No.

Puzzle Title

Asked in 

1Find ages of daughtersGoogle, Microsoft
2Calculate total distance travelled by beeYahoo
3Puzzle – 6×6 Grid: How Many Ways?Amazon, Zoho
4Monty Hall problemVMWare
5Torch and BridgeGoogle, Microsoft
62 Eggs and 100 FloorsVMWare
7Maximize the probability of White BallAmazon
8Poison and RatAmazon
9Hourglasses PuzzleBank of America, Yahoo
10The ratio of Boys and Girls in a Country where people want only boysGoogle, Goldman Sachs
11Car Wheel PuzzleMakeMytrip
12Maximum ChocolatesInfosys, MakeMytrip
13Puzzle | Splitting a Cake with a Missing Piece in two equal portionAlcatel-Lucent, Cognizant
14Rs 500 Note PuzzleCAT, UPSC
15Girl or BoyAmazon
16Know Average Salary without Disclosing Individual SalariesInfosys, Bloomberg.
17Maximum run in cricketFAANG
18Completion of TaskReflexis Systems
19Find missing Row in Excelphilips
20Four People on a Rickety BridgeJumbotail, SAP
21Man fell in well PuzzleAmerican Express
2250 red marbles and 50 blue marblesGoogle, Microsoft, JP morgan chase
23Puzzle | Form Three Equilateral TrianglesGoogle
2410 identical bottles of pillsZS Associate
25Puzzle | Maximum pieces that can be cut from a Circle using 6 straight linesTCS
26Chain Link Puzzlecognizant
27The shopkeeper and the lady who made a purchase of Rs 200 with fake notePersistent Systems
28Egg Dropping Puzzle with 2 Eggs and K FloorsGoogle, Microsoft
29Minimum number of Apples to be collected from trees to guarantee M red applesLeetcode
30Snail and WallTCS
311000 light bulbs switched on/off by 1000 people passing byUK university interview
32Puzzle | Four Alternating KnightsAmazon, Google
33TCS DIGITAL PUZZLE | Lateral Thinking 2TCS
34Puzzle | 100 Cows And MilkZS
35Puzzle | One Mile on the GlobeMicrosoft
36TCS DIGITAL PUZZLE | Lateral ThinkingTCS
37Puzzle | The Counters and BoardJP-morgan
38Camel and Banana PuzzleAmazon, Yahoo
39Puzzle | (Six Matches , Right Foot Forward)TCS
40How much he had initially?IAS interview question
41Puzzle | 3 cuts to cut round cake into 8 equal piecesAdobe, Citius Tech, Cognizant, blackrock
42Two Creepers Climbing a TreeAdobe, Google, Microsoft

Arrangement Puzzles:

S.No.                                          Puzzle TitleAsked in 
110 Coins PuzzleGoogle, Yahoo
2Days of the month using 2 dice

Microsoft

3Tic Tac Toe Puzzle

Amazon

4Matchstick Puzzle

Kirloskar Brothers, SLB

5Last Palindrome Date Before 10/02/2001

Amazon

610 identical bottles of pillsZS Associate
710 Balls in 5 Lines

Publicis Sapient

8Round table coin game

ElectrifAi

9Puzzle | The Circle of LightsMicrosoft, Bloomberg

Shape Puzzles:

S.No.

Puzzle Title

Asked in 
1.3 cuts to cut the round cake into 8 equal piecesAdobe, Citius Tech, Cognizant
2Chessboard and dominos

Google

3Maximum pieces that can be cut from a Circle using 6 straight lines

TCS

4Splitting a Cake with a Missing Piece in two equal portion

SAP

53 Ants and Triangle

Intuit, ZS Associate, EXL

Other Puzzles:

S.No.

Puzzle Title

Asked in 
1.How to Measure 45 minutes using two identical wires?

MakeMyTrip

2Elevator Puzzle

FAANG

3Find the last ball to remain after the entire process

Times Internet, EXL Service

4100 people in a circle with a gun puzzle

IgniWorld

5Find the total guests that are present at the party

Google

Conclusion:  

Puzzles are very helpful to improve logical thinking day by day.  Start practicing puzzles to crack interviews. These days puzzles are asked too frequently in top product-based companies. By solving the above puzzles you are enough prepared to solve the similar type of puzzles asked in your upcoming interviews.



Last Updated : 16 Nov, 2023
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