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. Puzzles can be of many types: picture puzzles, logical puzzles, mathematical puzzles, etc. It is very helpful for the development and growth of young minds.
To solve a puzzle, one must arrive at the correct answer by analyzing the given information, identifying constraints, and applying logical reasoning rather than relying on memorized formulas or shortcuts.
1. Logical Puzzles
Logical puzzles test your reasoning and deduction skills. They often involve patterns, sequences, or hypothetical scenarios requiring a step-by-step approach.
Puzzle | Asked in |
|---|
| Pay an employee using a gold rod of 7 units? | FAANG, Ola cabs |
| Find the fastest 3 horses | Accolite, Goldman Sachs, MakeMyTrip, Oracle |
| Injection for Anesthesia | Google, Yahoo |
| 3 Bulbs and 3 Switches | MakeMyTrip, Qualcomm |
| Camel and Banana | Amazon, Yahoo |
| Jar with contaminated pills | MakeMyTrip |
| 100 Prisoners with Red/Black Hats | Google, Microsoft |
| 10 Coins | Google, Yahoo |
| Strategy for a 2-Player Coin Game | TCS |
| 5 Pirates and 100 Gold Coins | Microsoft |
| Minimum cuts | Amazon |
| Prisoner and Policeman | Microsoft |
| Blind Games | Bloomberg L.P. |
| Chameleons go on a date | Amazon |
| Heaven and Hell | Amazon, Infosys |
| Mislabeled Jars | Google, Microsoft |
| 8 balls problem | Microsoft, Siemens |
| Cheryl’s Birthday | Facebook, Whatsapp, Singapore Math Olympic |
| The Lion and the Unicorn | The Access Group (UK), TCS |
| Farmer, Goat, Wolf, and Cabbage | Infosys |
| Water Jug Problem | Wells Fargo |
| Blind man and Pills | Mentor Graphics |
| The Burning Candles | Wipro, IBM, TCS |
| Rat and Poisonous Milk Bottles | Google |
| Measuring 6L water from 4L and 9L buckets | Microsoft |
| Six Houses P, Q, R, S, T, and U | CAT Quiz |
| Melting Candles | FAANG |
| Red Hat vs Blue Hat | Microsoft |
| Joint family of seven persons (L, M, N, O, P, Q, and R) | TCS |
| The Circle of Lights | Microsoft, Bloomberg |
| 9 Students and Red Black Hats | Google |
| Light all the bulbs | Microsoft, Bloomberg |
| Distribute the Water | Microsoft |
| Can 2 persons be with same number of hairs on their heads? | OPPO, inflame |
| Weight of Heavy Ball | IBM |
2. Mathematical And Analytical Puzzles
These puzzles test your numerical and analytical skills. They involve calculations, probability, logical math, or quantitative problem-solving.
Puzzle | Asked in |
|---|
| Find ages of daughters | Google, Microsoft |
| Calculate total distance travelled by bee | Yahoo |
| 6×6 Grid: How Many Ways? | Amazon, Zoho |
| Monty Hall problem | VMWare |
| Torch and Bridge | Google, Microsoft |
| 2 Eggs and 100 Floors | VMWare |
| Maximize the probability of White Ball | Amazon |
| Poison and Rat | Amazon |
| Hourglasses | Bank of America, Yahoo |
| The ratio of Boys and Girls in a Country where people want only boys | Google, Goldman Sachs |
| Car Wheel | MakeMytrip |
| Maximum Chocolates | Infosys, MakeMytrip |
| Splitting a Cake with a Missing Piece in two equal portion | Alcatel-Lucent, Cognizant |
| Girl or Boy | Amazon |
| Know Average Salary without Disclosing Individual Salaries | Infosys, Bloomberg. |
| Maximum run in cricket | FAANG |
| Completion of Task | Reflexis Systems |
| Find missing Row in Excel | Philips |
| Four People on a Rickety Bridge | Jumbotail, SAP |
| Man fell in well | American Express |
| 50 red marbles and 50 blue marbles | Google, Microsoft, JP morgan chase |
| Form Three Equilateral Triangles | Google |
| 10 identical bottles of pills | ZS Associate |
| Maximum pieces that can be cut from a Circle using 6 straight lines | TCS |
| Chain Link | Cognizant |
| The shopkeeper and the lady who made a purchase of Rs 200 with fake note | Persistent Systems |
| The Two-Egg Problem | Google, Microsoft |
| Snail and Wall | TCS |
| 1000 light bulbs switched on/off by 1000 people passing by | UK University Interview |
| Four Alternating Knights | Amazon, Google |
| The Nine Dots | TCS |
| 100 Cows And Milk | ZS |
| One Mile on the Globe | Microsoft |
| Three Matchsticks to Three Squares | TCS |
| The Counters and Board | JP-morgan |
| Six Matches , Right Foot Forward | TCS |
| How much he had initially? | IAS Interview |
| 3 cuts to cut round cake into 8 equal pieces | Adobe, CitiusTech, Cognizant, Blackrock |
| Two Creepers Climbing a Tree | Adobe, Google, Microsoft |
Number of Legs in Palace | UnitedLex |
3. Arrangement Puzzles
Arrangement puzzles involve the organization of objects or people according to certain rules or conditions.
4. Shape Puzzles
These puzzles test spatial reasoning and the ability to work with shapes, lines, and geometric concepts.
MOST ASKED
The following puzzles are frequently repeated across multiple companies and are highly recommended for interview preparation:
Other Puzzles
A variety of unique and quirky puzzles that involve lateral thinking, out-of-the-box problem-solving, and creativity.
