Puzzles
Explore various puzzle questions commonly asked in data science interviews, such as timer problems, horse racing logic, cake cutting, switch and bulb challenges, and sock selection. Understand step-by-step solutions that enhance your analytical thinking and prepare you for different logic-based interview scenarios.
We'll cover the following...
You have two sand timers showing two minutes and three minutes, respectively. Use both the sand timers (at one time or one after another or any other combination) and measure a time of six minutes.
Start the three-minute sand timer.
Once the three-minute sand timer ends, turn it upside down instantly and start the two-minute sand timer simultaneously. Now, three minutes are over.
Once the two-minute sand timer ends, turn the three-minute sand time upside down.
The three-minute sand timer will have one minute left, and five minutes are over because the two-minute sand ...