100 Riddles to Make You Think (With Answers)

14 min read

Riddles are basically workouts for your brain that don’t require leaving the couch. They force you to think sideways, question assumptions, and occasionally feel very dumb before the answer clicks.

This collection covers everything from ancient classics to modern lateral thinking puzzles. Some you’ve probably heard. Some will genuinely stump you. All of them reward actually thinking before scrolling to the answer.

The answers are hidden in expandable sections. No cheating.

Classic “What Am I?” Riddles

These are the OGs. Simple premises, clever answers. Perfect for testing whether someone thinks literally or figuratively.

1. I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Answer A map.

2. I speak without a mouth and hear without ears. I have no body, but I come alive with the wind. What am I?

Answer An echo.

3. The more you take, the more you leave behind. What am I?

Answer Footsteps.

4. I have keys but no locks. I have space but no room. You can enter but can’t go inside. What am I?

Answer A keyboard.

5. I’m tall when I’m young and short when I’m old. What am I?

Answer A candle.

6. I have hands but can’t clap. What am I?

Answer A clock.

7. I can be cracked, made, told, and played. What am I?

Answer A joke.

8. The more of me there is, the less you see. What am I?

Answer Darkness.

9. I have a head and a tail but no body. What am I?

Answer A coin.

10. I can fly without wings. I can cry without eyes. Wherever I go, darkness follows me. What am I?

Answer A cloud.

Logic Riddles

These require you to actually reason through the scenario. No wordplay tricks—just pure deduction.

11. A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who is in the photograph?

Answer His son. "My father's son" is himself (since he has no brothers), so "that man's father is me" means the man in the photo is his son.

12. You’re in a race and you pass the person in second place. What place are you in now?

Answer Second place. You took their position.

13. A doctor and a bus driver are both in love with the same woman, named Sarah. The bus driver had to go on a long trip that would last a week. Before he left, he gave Sarah seven apples. Why?

Answer An apple a day keeps the doctor away.

14. If you have me, you want to share me. If you share me, you haven’t got me. What am I?

Answer A secret.

15. A man walks into a restaurant and orders the albatross. After taking one bite, he starts crying, goes home, and kills himself. Why?

Answer This is a classic lateral thinking riddle. The man was once stranded with others after a plane crash. He was told he was eating albatross. Now he realizes it was actually human meat—likely his wife or child—and the survivors lied to keep him alive. The real albatross tastes different.

16. Three doctors said that Bill was their brother. Bill said he had no brothers. Who is lying?

Answer No one. The doctors are his sisters.

17. A man is found dead in a field. Next to him is an unopened package. There are no other creatures in the field. How did he die?

Answer The package is a parachute that didn't open.

18. You see a boat filled with people. You look again, but this time you don’t see a single person on the boat. Why?

Answer All the people on the boat are married—no single people.

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

Answer Your left hand.

20. A woman shoots her husband, holds him underwater for five minutes, then hangs him. Five minutes later, they go out for dinner together. How?

Answer She shot a photo of him, developed it in water, and hung it up to dry.

Math and Number Riddles

Don’t worry—these aren’t calculus problems. Just numbers behaving in unexpected ways.

21. I am an odd number. Take away a letter and I become even. What number am I?

Answer Seven. Remove the "s" and it becomes "even."

22. If two’s company and three’s a crowd, what are four and five?

Answer Nine.

23. What three positive numbers give the same result when multiplied together as when added together?

Answer 1, 2, and 3. (1 × 2 × 3 = 6, and 1 + 2 + 3 = 6)

24. A clerk at a butcher shop stands five feet ten inches tall and wears size 13 sneakers. What does he weigh?

Answer Meat. He works at a butcher shop.

25. If there are three apples and you take away two, how many apples do you have?

Answer Two. You took them.

26. How many times can you subtract 5 from 25?

Answer Once. After that, you're subtracting from 20.

27. I add five to nine and get two. The answer is correct, but how?

Answer When it's 9 AM, add 5 hours, and you get 2 PM.

28. What is half of two plus two?

Answer Three. Half of two is one, plus two equals three. (Though "half of (two plus two)" would be two—the ambiguity is the trick.)

29. A farmer has 17 sheep and all but 9 die. How many are left?

Answer Nine. "All but 9" means 9 remain.

30. What has a thousand needles but doesn’t sew?

Answer A porcupine.

Wordplay and Language Riddles

These exploit the weirdness of English. Homophones, double meanings, and letter tricks.

31. What word in the English language does the following: the first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire word signifies a great woman?

Answer Heroine. (He, Her, Hero, Heroine)

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

Answer Short. Add "er" and it becomes "shorter."

33. What five-letter word becomes shorter when you add two letters?

Answer Short. (Same riddle, just more specific.)

34. Forward I am heavy, but backward I am not. What am I?

Answer The word "ton." Backward, it's "not."

35. What word is pronounced the same if you take away four of its five letters?

Answer Queue. Remove "ueue" and you still have "Q" which sounds the same.

36. What English word retains the same pronunciation even after you take away four of its five letters?

Answer Queue (same as above—this one's famous for a reason).

37. I am a word of letters three; add two and fewer there will be. What word am I?

Answer Few. Add "er" and you get "fewer."

38. What disappears as soon as you say its name?

Answer Silence.

39. What can you catch but not throw?

Answer A cold.

40. What begins with an E but only contains one letter?

Answer An envelope.

Tricky Riddles That Sound Harder Than They Are

These are designed to make you overthink. The answer is usually simpler than you expect.

41. What can travel around the world while staying in a corner?

Answer A stamp.

42. What has one eye but can’t see?

Answer A needle.

43. What gets wetter the more it dries?

Answer A towel.

44. I shave every day, but my beard stays the same. What am I?

Answer A barber.

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

Answer A river.

46. What has four wheels and flies?

Answer A garbage truck.

47. What building has the most stories?

Answer A library.

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

Answer A mushroom.

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

Answer A window.

50. What can you break even if you never pick it up or touch it?

Answer A promise.

Nature and Science Riddles

These draw from the physical world. Some are ancient, some require a bit of observation.

51. I’m light as a feather, yet the strongest person can’t hold me for much longer than a minute. What am I?

Answer Breath.

52. What comes once in a minute, twice in a moment, but never in a thousand years?

Answer The letter M.

53. What goes up but never comes down?

Answer Your age.

54. What can fill a room but takes up no space?

Answer Light.

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

Answer Fire.

56. What falls but never gets hurt?

Answer Rain. (Or snow.)

57. I can be long or short. I can be grown or bought. I can be painted or left bare. I can be round or square. What am I?

Answer Fingernails.

58. What has roots nobody sees, is taller than trees, up, up it goes, and yet never grows?

Answer A mountain.

59. The person who makes it has no need for it. The person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

Answer A coffin.

60. What belongs to you but other people use it more than you?

Answer Your name.

Time is weird. These riddles make it weirder.

61. What is always in front of you but can’t be seen?

Answer The future.

62. What is seen in the middle of March and April that can’t be seen at the beginning or end of either month?

Answer The letter R.

63. What month of the year has 28 days?

Answer All of them.

64. What is it that lives if it is fed, and dies if you give it a drink?

Answer Fire.

65. If yesterday was tomorrow, today would be Friday. What day is it actually?

Answer Sunday. If yesterday were tomorrow, then today would be two days after Friday (when "yesterday" would become "tomorrow"), meaning today is Sunday.

66. A man was born in 1955. He’s alive and well today at age 33. How is this possible?

Answer 1955 is a room number, not a year.

67. What has a beginning but no end, and is the ending of all that begins?

Answer Death.

68. I have no life, but I can die. What am I?

Answer A battery.

69. When does Christmas come before Thanksgiving?

Answer In the dictionary.

70. What two things can you never eat for breakfast?

Answer Lunch and dinner.

Riddles That Require Lateral Thinking

These need you to think outside the stated parameters. The answer often depends on questioning assumptions.

71. A man is pushing his car along a road when he comes to a hotel. He shouts, “I’m bankrupt!” Why?

Answer He's playing Monopoly.

72. A man rode into town on Friday. He stayed for three nights and then left on Friday. How is this possible?

Answer His horse is named Friday.

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

Answer He sleeps at night.

74. If you were running a race and passed the person in second place, what place would you be in?

Answer Second place.

75. Some months have 30 days, some have 31. How many have 28?

Answer All 12 months have at least 28 days.

76. What do the numbers 11, 69, and 88 all have in common?

Answer They read the same right-side up and upside down.

77. A rooster lays an egg on top of the barn roof. Which way does it roll?

Answer Roosters don't lay eggs.

78. How do you make the number one disappear?

Answer Add a "G" and it's "gone."

79. What question can you never answer yes to?

Answer "Are you asleep?" (Or "Are you dead?")

80. What can you keep after giving it to someone?

Answer Your word.

Brain Teasers With a Twist

These seem straightforward but have catches that make you reconsider.

81. 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 everyone. What am I?

Answer Pencil lead (graphite).

82. What has 13 hearts but no other organs?

Answer A deck of cards.

83. Where does today come before yesterday?

Answer In the dictionary.

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

Answer A hole.

85. What has legs but doesn’t walk?

Answer A table. (Or a chair.)

86. What has teeth but can’t bite?

Answer A comb.

87. What has a neck but no head?

Answer A bottle.

88. What can you hold without ever touching or using your hands?

Answer Your breath. (Or a conversation.)

89. What is full of holes but still holds water?

Answer A sponge.

90. What runs all around a backyard yet never moves?

Answer A fence.

Hard Riddles for People Who Think They’re Good at This

If you got through the previous sections too easily, these should humble you a bit.

91. I have three feet but cannot walk. I tell you things but cannot talk. Sometimes the answer’s plain to see, but other times it’s Greek to me. What am I?

Answer A yardstick. (Three feet, numbered markings that "tell you things," and sometimes measurements aren't obvious.)

92. The eight of us go forth, not back, to protect our king from a foe’s attack. What are we?

Answer Chess pawns.

93. First you see me in the grass dressed in yellow gay; next I am in dainty white, then I fly away. What am I?

Answer A dandelion.

94. What English word has three consecutive double letters?

Answer Bookkeeper. (oo, kk, ee)

95. I am something people love or hate. I change people’s appearances and thoughts. If a person takes care of themselves, I will go up even higher. Some people might want to try and hide me, but I will show. No matter how hard people try, I will never go down. What am I?

Answer Age.

96. You measure my life in hours and I serve you by expiring. I’m quick when I’m thin and slow when I’m fat. The wind is my enemy. What am I?

Answer A candle.

97. I have branches, but no fruit, trunk, or leaves. What am I?

Answer A bank.

98. What English word is most often pronounced incorrectly?

Answer "Incorrectly."

99. What can be touched but can’t be seen?

Answer Someone's heart. (Emotionally, not literally—though technically you could argue "air" or similar.)

100. There’s a one-story house where everything is yellow. The walls are yellow, the doors are yellow, the furniture is yellow. What color are the stairs?

Answer There are no stairs—it's a one-story house.

How to Actually Get Better at Riddles

If you want to solve more of these without looking at answers, a few patterns help:

Question the question. Most riddles work bc they make you assume something that isn’t stated. “A man” doesn’t mean the person is human. “Three nights” doesn’t specify consecutive nights. Read literally.

Think about wordplay first. English is full of homophones and double meanings. If the riddle uses a common word, consider whether it has another meaning.

Consider the physical and the metaphorical. “What has hands but can’t clap?” wants you to think of body parts first, then realize objects can have “hands” too.

Don’t overthink. The answer to “What has four wheels and flies?” isn’t some elaborate mechanical insect. It’s a garbage truck. Simple.

Riddles are meant to be fun—mildly frustrating fun, but fun. Share them with people, watch them struggle, enjoy being the person who knows the answer. That’s the whole point.