The video presents 12 puzzles and riddles to solve, ranging from simple to complex, with the goal of developing one's brain. The puzzles include:
1. Comparing the capacity of two teapots based on their design.
2. A detective riddle involving a murder and a mysterious phone call.
3. Escaping a collapsing building by choosing the safest door.
4. A logical riddle about a tailor cutting fabric for a king's dress.
5. Identifying the odd one out in a picture.
6. A criminal escaping a burning fire by retrieving a key from a cauldron.
7. Solving a robbery mystery based on a security guard's testimony.
8. Four tourists escaping a house threatened by an avalanche by crossing a fragile bridge.
9. Finding a ghost in a picture.
10. A short logical riddle about a farmer selling sheep.
11. A knight choosing a safe apple to eat to win a princess's hand.
Each puzzle is presented, followed by the solution and explanation. The video encourages viewers to share how many puzzles they solved correctly and to engage with the content.
Here are the key facts from the text:
1. Scientists have found that solving riddles and puzzles develops the brain.
2. There are 7 puzzles presented in the video.
3. The first puzzle asks which of two teapots can hold more tea.
4. The answer to the first puzzle is the teapot with the spout located higher.
5. The second puzzle is a detective riddle about a murder.
6. The victim in the second puzzle was a famous businessman.
7. The suspects in the second puzzle are Oleg, Vera, Inga, and Egor.
8. The evidence in the second puzzle is a phone with four dialed numbers.
9. The key to solving the second puzzle is the buttons on the phone.
10. The killer in the second puzzle is Egor.
11. The third puzzle asks which door to choose to escape a building.
12. The building in the third puzzle is about to collapse.
13. There are six doors in the third puzzle, each with a different obstacle.
14. The safe exits in the third puzzle are behind the first, fourth, and sixth doors.
15. The fourth puzzle asks how many days it will take a tailor to make a dress.
16. The tailor in the fourth puzzle has 21 meters of fabric.
17. The tailor in the fourth puzzle cuts 3 meters of fabric each day.
18. The answer to the fourth puzzle is 6 days.
19. The fifth puzzle asks which picture is the odd one out.
20. The sixth puzzle is about a prisoner who must get a key from a cauldron without touching the water.
21. The prisoner in the sixth puzzle can use the fire to boil away the water.
22. The seventh puzzle is a detective riddle about a robbery.
23. The security guard in the seventh puzzle claims to have been hit by a door.
24. The guard's story in the seventh puzzle is false because emergency exits open outward.
25. The eighth puzzle asks how four tourists can cross a bridge in 17 minutes.
26. The bridge in the eighth puzzle can only hold two people at a time.
27. The tourists in the eighth puzzle have different speeds: 1 minute, 2 minutes, 5 minutes, and 10 minutes.
28. The solution to the eighth puzzle involves sending the slowest tourists together and using the flashlight.
29. The ninth puzzle asks to find the ghost in a picture.
30. The tenth puzzle asks how many sheep a farmer has left after selling all except 12.
31. The answer to the tenth puzzle is 12 sheep.
32. The eleventh puzzle asks a knight to choose a safe apple from three options.
33. The notes next to the apples in the eleventh puzzle may be false.
34. The solution to the eleventh puzzle involves choosing the apple with the note that says it's safe.