whatsapp icon Math Resources Fun Math Tales Interesting

Best Brain Teasers: Test Your Creativity, Logic, and Problem-Solving Skills.

Want to know the correct answers? Share this web page with your friends! One of them might know the right answers.

1. What is the next number in the sequence: 2, 3, 5, 8, 13, 21, 34, 55, __?

2. How many times do the hands of a clock overlap in a 24-hour period?

3. 10 person are attending a party. If each person shakes hands with every other person exactly once, how many handshakes will there be in total?

4. A person has to cross a bridge at night, with only one flashlight. The bridge can only hold two people at a time and it's dark, so they must carry the flashlight to see where they're going. Person A can cross the bridge in 1 minute, person B in 2 minutes, person C in 5 minutes, and person D in 10 minutes. If two people cross together, they must go at the slower person's pace. What is the shortest time in which all four people can cross the bridge?

5. A man buys a horse for $60. He sells the horse for $70. He then buys the horse back for $80 and sells it again for $90. How much profit did he make in total?

6. Two fathers and two sons go on a fishing trip. They each catch one fish. In total, they catch three fish. How is this possible?

7. What number comes next in the sequence? 3, 6, 13, 24, 39, __

8. Why didn't the Mummy have any friends?

9. Cryptograms: Decrypt the following message using the Caesar Cipher:
Shift: -13

10. A man is replacing a light bulb on the 10th floor of a building when he accidentally drops it. The bulb doesn't break when it hits the ground. Why?

11. What number comes next in the sequence? 1, 11, 21, 1211, 111221, __

12. A woman lives in a skyscraper on the 20th floor. Every day, she takes the elevator down to the ground floor to go to work. When she comes back, she only takes the elevator up to the 10th floor, then takes the stairs for the remaining 10 floors. Why?

13. It wears a single hue, its size not fixed, Rests below yet soars unfixed. In sunlight's glow, but not in showers, Causes no harm, and suffers no sorrows. What is it?

14. Find the missing number in the series:
2, 6, 12, 20, 30, __ , 56

15. A man looks at a painting in a museum and says, "Brothers and sisters, I have none, but that man's father is my father's son." Who is in the painting?

16. A man is found hanging in a completely sealed room with a puddle of water underneath him. How did he die?

17. A plane crashes on the border of the United States and Canada. Where do they bury the survivors?

18. A man leaves home, turns left three times, and returns home where he finds two men wearing masks. Who are the masked men?

19. How can you throw a ball and have it come back to you without it bouncing off anything?

20. A man walks into a bar and asks the bartender for a glass of water. The bartender pulls out a gun and points it at the man. The man says "thank you" and leaves. Why?

21. There are 6 eggs in a basket. 6 people each take one egg. How is it possible that there is still one egg left in the basket?

22. There are three switches outside a windowless room. Inside the room is a single light bulb. You can flip the switches as many times as you like, but you can only enter the room once. How can you determine which switch controls the light bulb?

23. A man is pushing his car along a road when he comes to a hotel. He shouts, "I'm bankrupt!" Why?

24. Why is it illegal to bury a man living in North Carolina in South Carolina?

25. How can you drop a raw egg onto a concrete floor without cracking it?

26. How can a man go eight days without sleep?

27. Two mothers and two daughters go out for lunch, and each of them orders a single dish. Only three dishes are ordered. How is this possible?

28. What has keys but can't open locks?

29. How can you make the number one disappear by adding something to it?

30. A cowboy rides into town on Friday, stays for three nights, and leaves on Friday. How is this possible?

31. A man was driving a black car. His headlights were off, and the moon was not out. A lady was crossing the street in front of him. How did he see her?

32. The person who makes it, sells it. The person who buys it, never uses it. The person who uses it, never knows they're using it. What is it?

33. What goes up but never comes back down?

34. A man lives on the 30th floor of his apartment building. On sunny days, he takes the elevator to the 20th floor and walks up the remaining 10 floors. On rainy days, he takes the elevator all the way to the 30th floor. Why?

35. How many of each species did Moses take on the ark with him?

36. You have a matchbox, and you enter a cold, dark room with a kerosene lamp, a fireplace, and a candle. Which do you light first?

37. What gets wetter as it dries?

38. A man was found dead in a room with 53 bicycles. What happened?

39. What can you hold without touching it?

40. What has a heart that doesn't beat?

41. What can run but never walks, has a mouth but never talks, has a head but never weeps, and has a bed but never sleeps?

42. What has cities but no houses, forests but no trees, and rivers but no water?

43. How many months have 28 days?

44. What can fill a room without taking up any space?

45. What occurs once in a minute, twice in a moment, and never in a thousand years?

46. What has a neck but no head?

47. Can you name three days in a row without using the names of the seven days of the week?

48. What can you catch but not throw?

49. I make two people out of one. What am I?

50. What can be broken without being touched?

51. Which weighs more: a pound of feathers or a pound of bricks?

52. What comes down but never goes up?

53. What has an eye but cannot see?

54. What kind of room has no doors or windows?

55. What is full of holes but can still hold water?

56. What begins with an "E" and ends with an "E" but only contains one letter?

57. What can be served but never eaten?

58. I appear white when I'm dirty and black when I'm clean. What am I?

59. What has a head, a tail, but no body?

60. What word becomes shorter when you add two letters to it?

61. I'm as light as a feather, yet no person can grasp me for long. What am I?

62. The more you take, the more you leave behind. What are they?

63. What is always in front of you but can't be seen?

64. What has hands but can't clap?

65. What has a face and two hands but no arms or legs?

66. What occurs twice in a week, once in a year, but never in a day?

67. What gets bigger the more you take away from it?

68. What has one word, but comes out in different ways, with different meanings?

69. What can you break by just saying its name?

70. What has a ring but no finger?

71. What starts with a 'P', ends with an 'E', and has thousands of letters?

72. What belongs to you but is used more by others?

73. I am taken from a mine, and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

74. What has a spine but no bones?

75. What can you make that no one—not even you—can see?

76. I am not alive, but I can grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

77. What can run without legs and cry without eyes?

78. What is easy to get into but hard to get out of?

79. What begins with a T, ends with a T, and has T in it?

80. What type of building has the most stories?

81. What goes up and down but never moves?

82. What can you hold in your right hand but never in your left hand?

83. What invention lets you look right through a wall?

84. What has many needles but doesn't sew?

85. What is black when you buy it, red when you use it, and gray when you throw it away?

86. What has teeth but can't bite?

87. What can you keep after giving it to someone else?

88. What has words but never speaks?

89. What breaks and never falls, and what falls and never breaks?

90. What goes through towns and over hills but never moves?