110+ Fun Brain Teaser Questions That’ll Give Your Mind A Workout

Did you know that there are ways you can fight off brain fog and poor concentration by keeping your brain active? Answering brain teaser riddles is one surefire and fun way to do just that.

We spend a lot of our time online, browsing through the internet mindlessly. Why not leverage this free time to challenge and activate your brain with some brain-teasing riddles? These fun brain teaser questions will help you pass your time and also your brain will thank you!

So let’s begin! Here we have compiled a list of some best brain teasers that will give your mind a healthy diet. Try to crack these brain-teasing riddles with answers on your own, and then match the results. No cheating!

Also: Do You Have The Power To Read People? Take the quiz to find it out

Easy Brain Teaser Questions With Answers

1. Brain Teaser

Q. How many 20 dollar bills can you put in an empty money box that is 12 inches wide and 6 inches tall?

Ans: Only 1, because after this, the box will not remain empty.

2. Brain Teaser

Q. A woman has two sons who were born at the same time, on the same day, and in the same year. But the woman didn’t give birth to twins. How come?

Ans: She gave birth to triplets.

3. Brain Teaser

Q. Which one word is spelled incorrectly in every dictionary?

Ans: The word “incorrectly”.

4. Brain Teaser

Q. What is sweeter than honey but hotter than fire? The rich need it but the tramp has it.

Ans: Nothing. Nothing is sweeter than honey or hotter than fire. The rich need nothing and the tramp has nothing.

5. Brain Teaser

Q. I can be a window and also a lamp. I can get clouded, I can shine. I have colors set in white and I get overflowed with water if you don’t say things right.

Ans: Eyes

6. Brain Teaser

Q. I can get broken without being held.

Ans: A promise

7. Brain Teaser

Q. A woman shoots her husband, then holds him underwater for 5 minutes, and finally she hangs him. But she goes scot free. Why?

Ans: She is a photographer. She shoots images, develops them, and hangs them up to dry.

8. Brain Teaser

Q. Arnold Schwarzenegger has it long. Michael J. Fox has it short. Madonna doesn’t have one. The Pope never uses his. What is it?

Ans: A last name.

9. Brain Teaser

Q. Harry and Jina were found lying dead in a closed room with an open window. There was a draft of wind blowing the curtains. How did they die?

Ans: Harry and Jina were goldfishes in a bowl that got tipped over by the curtain.

10. Brain Teaser

Q. If a red house is made out of red bricks and a blue house is made out of blue ones, what is a greenhouse made of?

Ans: Glass

11. Brain Teaser

Q. I am a word of the English language. My first two letters mean a man, the first three letters mean a woman, the first four mean a great man, but I mean a great woman. What word am I?

Ans: Heroine

12. Brain Teaser

Q. You are locked in a room that has two doors. One door leads to a fire-breathing monster and the other one to a room full of magnifying glasses. How will you escape without getting charred off?

Ans: You will escape through the room with magnifying glasses, at night.

13. Brain Teaser

Q. If you have me, you can’t share me. If you share me, you will lose me. What am I?

Ans: A secret

14. Brain Teaser

Q. What lies at the end of a rainbow?

Ans: The letter “W”

15. Brain Teaser

Q. How many months have 28 days?

Ans: All 12 of them

16. Brain Teaser

Q. If I hold a bee, what will be in my eyes?

Ans: Beauty. Because beauty lies in the eyes of the beholder.

17. Brain Teaser

Q. If among time-pieces, the sundial has the fewest moving parts, which one has the most?

Ans: The hourglass.

18. Brain Teaser

Q. When does 8+8 be equal to 4?

Ans: When you add 8 hours to 8 Am, it becomes 4 Pm.

19. Brain Teaser

Q. I am heavy and hard to lift, but backward I am not. What am I?

Ans: A Ton

20. Brain Teaser

Q. A cowboy rode into a town on Saturday, stayed there for 2 days, and left on Saturday. How?

Ans: His horse’s name was Saturday.

21. Brain Teaser

Q. If you turn me on my side, I can go on forever. But if you cut me in half, you will get nothing.

Ans: The number 8. It becomes the infinity sign on its side, but if it’s cut in two halves, it becomes two zeroes.

22. Brain Teaser

Q. If you are in a dark room with a candle, a gas lamp, a wooden stove, and a matchbox with only one match, what will you light first?

Ans: The match.

23. Brain Teaser

Q. A lady and her dog were standing on either side of a river. There was no bridge or boat on the river. But when the lady called, the dog crossed the river without getting wet. How did it happen?

Ans: It was a frozen river

24. Brain Teaser

Q. What is common in the words: banana, revive, voodoo, grammar, access, dresser, potato, and uneven?

Ans: If you take the first letter of every word and place it at the end, it will spell the same backward.

25. Brain Teaser

Q. How will you take out a coin from an empty bottle which has a cork in its neck, without breaking it or taking the cork out?

Ans: By pushing the cork down and shaking the coin out.

26. Brain Teaser

Q. What’s so special about the number 8,549,176,320?

Ans: It contains all numbers 0 through 9 in alphabetical order.

27. Brain Teaser

Q. What’s common in the words job, polish, and herb?

Ans: The pronunciation of each word changes when the first letter is capitalized.

28. Brain Teaser

Q. What kind of cheese is made backward?

Ans: Edam Cheese

29. Brain Teaser

Q. Before Mt. Everest was discovered what was the highest mountain peak in the world?

Ans: Mt. Everest was the highest mountain peak, just that it wasn’t discovered yet.

30. Brain Teaser

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

Ans: The letter “M”.

31. Brain Teaser

Q. Which tire doesn’t move when your car turns to the right?

Ans: Your spare tire.

32. Brain Teaser

Q. What stays in one corner yet can travel the whole world?

Ans: A stamp

33. Brain Teaser

Q. I have no voice but I can tell you things of the world. I have pages but I am not a tree. I have a spine but I am not a man. I have hinges but I am not a door. What am I?

Ans: A book

34. Brain Teaser

Q. A father and son were in an accident. The father died and the son was brought to a hospital. The doctor on duty saw the boy and said “he is my son!” Who was the doctor?

Ans: The boy’s mother.

35. Brain Teaser

Q. I am at the beginning of sorrow and at the end of sickness. You cannot have happiness without me, yet I am in the middle of crosses. Though I am at risk, I am never in danger. You will find me in the Sun, but I am never out of the darkness.

Ans: The letter “S”.

36. Brain Teaser

You can hold me but you can never touch me. What am I?

Ans: Breath.

37. Brain Teaser

What is always on the way but never arrives?

Ans: Tomorrow.

38. Brain Teaser

First, you throw away the outside and cook the inside, then you eat the outside and throw away the inside. What did you eat?

Ans: Corn on the cob.

38. Brain Teaser

If you drop me, I will crack, but give me a smile and I’ll smile back. What am I?

Ans: A mirror.

39. Brain Teaser

A man describes his daughters by saying, “They are all blonde, but two; all brunette, but two; and all redheaded, but two.” How many daughters does he have?

Ans: Three: a blonde, a brunette, and a redhead.

40. Brain Teaser

What can you hold in your left hand but not in your right?

Ans: Your right elbow.

41. Brain Teaser

 What building has the most stories?

Ans: A library.

42. Brain Teaser

What band doesn’t play music?

Ans: A rubber band.

43. Brain Teaser

What is black when it’s clean and white when it’s dirty?

Ans: A blackboard.

44. Brain Teaser

If the water level in a reservoir is low, but doubles every day. It takes 60 days to fill the reservoir. How long does it take for the reservoir to become half full?

Ans: 59 days. If the water doubles every day and the reservoir is full on day 60th, it means it was half full on day 59, not on day 30.

45. Brain Teaser

Put a coin into an empty bottle and insert a cork into the neck. How can you remove the coin without removing the cork or breaking the bottle?

Ans: Push the cork down into the bottle. Then shake the coin out.

46. Brain Teaser

You just bought a cute rabbit at a pet store. The rabbit can breed once every month, and deliver 7 babies at a time. How many rabbits do you have after 12 months?

Ans: One, you need two rabbits to breed.

47. Brain Teaser 

A man kills his wife and hides the body in some bushes. The next day the police call and say his wife has been murdered and tell the man to come to the crime scene right away. As soon as the man gets there he is arrested. Why?

Ans: The police never told him where the crime scene was.

48. Brain Teaser

When I take five and add six, I get eleven, but when I take six and add seven, I get one. What am I?

Ans: A clock.

49. Brain Teaser

Mary was born on December 25th, yet her birthday is always in the summer. How is this possible?

Ans: Mary lives in the southern hemisphere.

50. Brain Teaser

A woman lives alone in a farmhouse. Two prison escapees intend to kill whoever they see in the farmhouse that night and hide out there. That night, the attack happened but the woman survived. How is that possible?

Ans: The two escapees attacked and killed each other.

51. Brain Teaser

A girl goes to her mother’s funeral and meets the man of her dreams but she doesn’t get his name or number. Nobody knows who the man is. Three days later the girl kills her own sister. Why?

Ans: To see if the man would come to her sister’s funeral.

52. Brain Teaser

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

Ans: Footsteps.

53. Brain Teaser

A man pushes his car to a hotel and tells its owner that he is bankrupt. Why?

Ans: He’s playing Monopoly.

54. Brain Teaser

You are a cyclist in a cross-country race. Just before the crossing finish line, you overtake the person in second place. In what place did you finish?

Ans: 2nd place. If you pass the person in second, you take second place, and they become third.

55. Brain Teaser

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you tell which switch is connected to each of the light bulbs?

Ans: Turn on the first two switches. Leave them on for 5 minutes. Once 5 minutes have passed, turn off the second switch, leaving one switch on.

Now go through the door. The light that is still on is connected to the first switch. Whichever of the other two is warm to the touch is connected to the second switch. The bulb that is cold is connected to the switch that was never turned on.

56. Brain Teaser

He has married many women but has never been married. Who is he?

Ans: He is a preacher.

57. Brain Teaser

You have a 3-gallon jug and a 5-gallon jug. You need to measure out exactly 7 gallons of water. How can you do it?

Ans: Fill the 5-gallon jug, pour it into the 3-gallon jug until the 3 gallon is full, and leave 2 gallons in the 5-gallon jug. Now pour the 3-gallon jug out. Pour the remaining 2 gallons from the 5-gallon into the empty 3-gallon jug. Now fill the 5-gallon from the faucet. You now have exactly 7 gallons.

58. Brain Teaser

A gunman hangs up his hat, turns around, and walks 5000 meters, then turns around and shoots his gun, putting a hole right through his hat. How did he do it?

Ans: He hung up the hat on his gun.

59. Brain Teaser

I come in different shapes and sizes. Parts of me are curved, other parts are straight. You can put me anywhere you like, but there is only one right place for me. What am I?

Ans: A puzzle piece.

60. Brain Teaser

I have no eyes, no legs, or ears, and I help move the earth. What am I?

Ans: An earthworm.

61. Brain Teaser

You do not want to have it. But when you do have it, you do not want to lose it. What is it?

Ans: A lawsuit.

62. Brain Teaser

An elevator is on the ground floor. There are four people in the elevator, including me. When the lift reaches the first floor, one person gets out and three people get in. The lift goes up to the second floor, 2 people get out, 6 people get in. It then goes up to the next floor up, no one gets out but 12 people get in. Halfway up to the next floor the elevator cable snaps, it crashes to the floor. Everyone else dies in the elevator except me. How did I survive?

Ans: I got off on the first floor.

63. Brain Teaser

What has a mouth but cannot eat, moves but has no legs, and has a bank but cannot put money in it?

Ans: A river.

64. Brain Teaser

A man condemned to death has the option of picking one of the mentioned three rooms. The first room is a furnace filled with feeding flames, the second has armed men with loaded guns while the third has lions who haven’t eaten in years. Which one should the man choose?

Ans: The third room, because lions who haven’t eaten for years would be long dead.

65. Brain Teaser

Take off my skin. I won’t cry, but you will! What am I?

Ans: An onion.

66. Brain Teaser

A girl who was just learning to drive went down a one-way street in the wrong direction, but didn’t break the law.

Ans: She was walking.

67. Brain Teaser

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

Ans: Neither, they both weigh one pound.

68. Brain Teaser

What has one eye but cannot see?

Ans: A needle.

69. Brain Teaser

A man left home running. He ran a distance and then turned left, ran the same distance and turned left again, ran the same distance, and turned left again. When he got home, there were two masked men. Who were they?

Ans: The catcher and the umpire.

70. Brain Teaser

As I was going to St. Ives, I met a man with seven wives. Each wife had seven sacks, each sack had seven cats, each cat had seven kittens. How many were going to St. Ives?

Ans: 1, only I was going to St. Ives.

71. Brain Teaser

I can be short and sometimes hot. When displayed, I rarely impress. What am I?

Ans: A temper.

72. Brain Teaser

My life is often a volume of grief, your help is needed to turn a new leaf. Stiff is my spine and my body is pale, but I’m always ready to tell a tale. What am I?

Ans: A book.

73. Brain Teaser

Four cars come to a four-way stop, all coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. They do not crash into each other, but all four cars go. How is this possible?

Ans: They all made right-hand turns.

74. Brain Teaser

I have a big mouth and I am also quite loud, I get involved in everyone’s dirty business but I do not gossip. What am I?

A vacuum cleaner.

75. Brain Teaser

Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it. What is it?

Ans: A coffin.

76. Brain Teaser

Two sailors stand on opposite sides of the ship. One looks to the West, one looks to the East yet they can see each other clearly. How?

Ans: They stand with their backs against the sides of the ship so they could each other.

77. Brain Teaser

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

Ans: None, Moses wasn’t on the ark. Noah was.

78. Brain Teaser

What kind of running means walkinAns: Running out of gas.

79. Brain Teaser

They fill me up and you empty me, almost every day; if you raise my arm, I work the opposite way. What am I?

Ans: A mailbox.

80. Brain Teaser

First I am dried, then I am wet. The longer I swim, the more taste you get. What am I?

Ans: Tea.

81. Brain Teaser

What fastens two people yet touches only one?

Ans: A wedding ring.

82. Brain Teaser

My voice is tender, my waist is slender and I’m often invited to play. Yet wherever I go I must take my bow or else I have nothing to say. What am I?

Ans: A violin.

83. Brain Teaser

What gets wetter and wetter the more it dries?

Ans: A towel.

84. Brain Teaser

What invention lets you look right through a wall?

Ans: A window.

85. Brain Teaser

Two men are playing chess. They play five games. Each man wins three games. How is that possible?

Ans: They were not playing with each other.

86. Brain Teaser

Feed me and I live, yet give me a drink and I die.

Ans: Fire.

87. Brain Teaser

Paul’s height is six feet, he’s an assistant at a butcher’s shop, and wears size 9 shoes. What does he weigh?

Ans: He weighs meat.

88. Brain Teaser

A farmer has a wolf, a chicken, and a bag of grain he needs to get across a river. He has one boat to take them all across. He can only take one at a time. He can’t leave the wolf alone with chicken or the chicken alone with the grain. How does he do it?

Ans: He takes chicken first. He takes the wolf the second and comes back with the chicken. He drops off the chicken and takes the grain to the other side with the wolf. Last, he goes back to get the chicken and brings him across.

89. Brain Teaser

I am a box that holds keys without locks, yet they can unlock your soul. What am I?

Ans: A piano.

90. Brain Teaser

I have four wings, but cannot fly, I never laugh and never cry. On the same spot, I’m always found, toiling away with little sound. What am I?

Ans: A windmill.

91. Brain Teaser

What can be stolen, mistaken, or altered, yet never leaves you your entire life?

Ans: Your identity.

92. Brain Teaser

How can a man who shaves several times a day still sport a long beard?

Ans: The man is a barber.

93. Brain Teaser

What coat goes on wet?

Ans: A coat of paint.

94. Brain Teaser

Two boxers are in a match scheduled for 12 rounds. One of the boxers gets knocked out after only six rounds, yet no man throws a punch. How is this possible?

Ans: The boxers are women.

95. Brain Teaser

I have keys, but no locks. I have space, but no room. You can enter, but you can’t go outside. What am I?

Ans: A computer keyboard.

96. Brain Teaser

I have seas without water, coasts without sand, towns without people, and mountains without land. What am I?

Ans: A map.

97. Brain Teaser

How much dirt is in a hole that measures 2 feet by 3 feet by 4 feet?

Ans: None, a hole is empty.

98. Brain Teaser

What disappears as soon as you say it?

Ans: Silence.

99. Brain Teaser

What belongs to you but everyone else uses it more?

Ans: Your name.

100. Brain Teaser

A family has two parents and six sons. Each of the sons has one sister. How many people are in the family?

Ans: Nine. Two parents, six sons, one daughter.

101. Brain Teaser

What runs all around a backyard, yet never moves?

Ans: A fence.

102. Brain Teaser

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What color was the bear?

Ans: White. The only place you can hike 3 miles south, then east for 3 miles, then north for 3 miles, and end up back at your starting point is the North Pole. There are only polar bears in the North Pole, and they are white!

103. Brain Teaser

What do you throw out when you want to use it but take in when you don’t need it?

Ans: An anchor.

104. Brain Teaser

Until I am measured, I am not known. Yet you miss me when I have flown. What am I?

Ans: Time.

105. Brain Teaser

Why can’t you take a picture of a man with a wooden leg?

Ans: Because a wooden leg can’t take pictures, only a camera can.

106. Brain Teaser

What has four fingers and a thumb, but isn’t alive?

Ans: A glove.

107. Brain Teaser

What gets bigger the more you take away?

Ans: A hole.

108. Brain Teaser

What has to be broken before you can use it?

Ans: An egg

109. Brain Teaser

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

Ans: A candle

110. Brain Teaser

What is full of holes but still holds water?

Ans: A sponge

Also: This Impulse Quiz Reveals Your Inner Strength.

Healthy Mind In A Fun Way

We hope you enjoyed our fun riddles and gave your brain a healthy workout at the same time. Don’t forget to pass it on to your friends and family so that they too can have a productive and fun time.

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