Practice Problems on Puzzles
Recent articles on Puzzles
What is a Puzzle?
A puzzle is a game, problem, or piece of information about any facts, clues, etc., that tests a person’s ingenuity or knowledge. A person is required to put pieces or the given information together in a logical way to arrive at the answer.
Puzzles check the intellect, common sense, knowledge, awareness, logic and reasoning ability of a person. Crossword puzzles, word-search puzzles, number puzzles, relational puzzles, and logic puzzles are different genres of puzzles. The academic study of puzzles is enigmatology.
We at GeeksforGeeks have tried to cover all the reasoning questions, which are asked in competitive exams. We have provided tips and tricks to solve maximum questions in less time. By solving puzzles regularly at GeeksforGeeks, you would be able to master your reasoning and crack your desired examination.
Types of Puzzles
Reasoning or Puzzles can be divided into four parts as per a common examination pattern:
- Analytical
- Logical
- Shape and Arrangement
- Mechanical
Topics :
Analytical / Mathematical Puzzles:
|
S.No. |
Puzzle Title |
Asked in Company |
|---|---|---|
| 1 | Find ages of daughters | Google, Microsoft |
| 2 | Calculate total distance travelled by bee | Yahoo |
| 3 | Puzzle – 6×6 Grid: How Many Ways? | Amazon, Zoho |
| 4 | Monty Hall problem | VMWare |
| 5 | Torch and Bridge | Google, Microsoft |
| 6 | 2 Eggs and 100 Floors | VMWare |
| 7 | Maximize the probability of White Ball | Amazon |
| 8 | Poison and Rat | Amazon |
| 9 | Hourglasses Puzzle | Bank of America, Yahoo |
| 10 | The ratio of Boys and Girls in a Country where people want only boys | Google, Goldman Sachs |
| 11 | Car Wheel Puzzle | MakeMytrip |
| 12 | Maximum Chocolates | Infosys, MakeMytrip |
| 13 | Puzzle | Splitting a Cake with a Missing Piece in two equal portion | Alcatel-Lucent, Cognizant |
| 14 | Rs 500 Note Puzzle | CAT, UPSC |
| 15 | Girl or Boy | Amazon |
| 16 | Know Average Salary without Disclosing Individual Salaries | Infosys, Bloomberg. |
| 17 | Maximum run in cricket | FAANG |
| 18 | Completion of Task | Reflexis Systems |
| 19 | Find missing Row in Excel | philips |
| 20 | Four People on a Rickety Bridge | Jumbotail, SAP |
| 21 | Man fell in well Puzzle | American Express |
| 22 | 50 red marbles and 50 blue marbles | Google, Microsoft, JP morgan chase |
| 23 | Puzzle | Form Three Equilateral Triangles | |
| 24 | 10 identical bottles of pills | ZS Associate |
| 25 | Puzzle | Maximum pieces that can be cut from a Circle using 6 straight lines | TCS |
| 26 | Chain Link Puzzle | cognizant |
| 27 | The shopkeeper and the lady who made a purchase of Rs 200 with fake note | Persistent Systems |
| 28 | Egg Dropping Puzzle with 2 Eggs and K Floors | Google, Microsoft |
| 29 | Minimum number of Apples to be collected from trees to guarantee M red apples | Leetcode |
| 30 | Snail and Wall | TCS |
| 31 | 1000 light bulbs switched on/off by 1000 people passing by | UK university interview |
| 32 | Puzzle | Four Alternating Knights | Amazon, Google |
| 33 | TCS DIGITAL PUZZLE | Lateral Thinking 2 | TCS |
| 34 | Puzzle | 100 Cows And Milk | ZS |
| 35 | Puzzle | One Mile on the Globe | Microsoft |
| 36 | TCS DIGITAL PUZZLE | Lateral Thinking | TCS |
| 37 | Puzzle | The Counters and Board | JP-morgan |
| 38 | Camel and Banana Puzzle | Amazon, Yahoo |
| 39 | Puzzle | (Six Matches , Right Foot Forward) | TCS |
| 40 | How much he had initially? | IAS interview question |
| 41 | Puzzle | 3 cuts to cut round cake into 8 equal pieces | Adobe, Citius Tech, Cognizant, blackrock |
| 42 | Two Creepers Climbing a Tree | Adobe, Google, Microsoft |
Recent articles on Analytical/mathematical puzzles
Logical Puzzles:
|
S.No. |
Puzzle Title |
Asked in Company |
|---|---|---|
| 1 | Pay an employee using a gold rod of 7 units ? | FAANG, Ola cabs |
| 2 | Find the fastest 3 horses | Accolite, Goldman Sachs, MakeMyTrip |
| 3 | Finding the injection for Anesthesia | Google, Yahoo |
| 4 | 3 Bulbs and 3 Switches | MakeMyTrip, Qualcomm |
| 5 | Camel and Banana Puzzle | Amazon, Yahoo |
| 6 | Find the Jar with contaminated pills | MakeMyTrip |
| 7 | 100 Prisoners with Red/Black Hats | Google, Microsoft |
| 8 | 10 Coins Puzzle | Google, Yahoo |
| 9 | Strategy for a 2-Player Coin Game | TCS |
| 10 | 5 Pirates and 100 Gold Coins | Microsoft |
| 11 | Minimum cut Puzzle | Amazon |
| 12 | Prisoner and Policeman Puzzle | Microsoft |
| 13 | Puzzle – Cheating Husband | Microsoft, Google |
| 14 | Puzzle – Blind Games | Bloomberg L.P. |
| 15 | Puzzle – Chameleons go on a date | Amazon |
| 16 | Heaven and Hell | Amazon, Infosys |
| 17 | Mislabeled Jars | Google, Microsoft |
| 18 | 8 balls problem | Microsoft, Simence |
| 19 | Cheryl’s Birthday Puzzle and Solution | Facebook, Whatsapp, Singapore math Olympic |
| 20 | Puzzle – The Lion and the Unicorn | The Access Group (UK), TCS |
| 21 | Farmer, Goat, Wolf, and Cabbage | Infosys |
| 22 | Water Jug Problem | Wells Fargo |
| 23 | Blind man and Pills | Mentor Graphics |
| 24 | The Burning Candles | Wipro |
| 25 | Puzzle | The Burning Candles | Wipro, IBM, TCS |
| 26 | Rat and Poisonous Milk Bottles | |
| 27 | Measuring 6L water from 4L and 9L buckets | Microsoft |
| 28 | Six Houses P, Q, R, S, T, and U | CAT Quiz |
| 29 | Melting Candles | Faang |
| 30 | Red Hat vs Blue Hat | Microsoft |
| 31 | Puzzle | Joint family of seven persons (L, M, N, O, P, Q, and R) | TCS |
| 32 | Puzzle | The Circle of Lights | Microsoft, Bloomberg |
| 33 | Puzzle | 9 Students and Red Black Hats | |
| 34 | Light all the bulbs | Microsoft, Bloomberg |
| 35 | Distribute the Water | Microsoft |
| 36 | Puzzle | Can 2 persons be with same number of hairs on their heads? | oppo, inflame |
| 37 | Weight of Heavy Ball | IBM |
Recent articles on Logical puzzles
Arrangement Puzzles:
Recent articles on Arrangement puzzles
Shape based Puzzles:
Recent articles on Shape based puzzles
Mechanical Puzzles:
- Algorithm to solve Rubik’s Cube
- Crossword Puzzle Of The Week #1 (for DSA)
- Crossword Puzzle Of The Week #2 (for Computer Science and Applications)
- Crossword Puzzle Of The Week #3 (for Database and Queries)
- Crossword Puzzle Of The Week #4 (for Object Oriented Programming)
If you like GeeksforGeeks and would like to contribute, you can also write an article and mail your article to review-team@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.
Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above.