Top 50 Brain Teasers

The 50 most popular brain teasers — perfect for beginners and experts alike.

50 riddles in this collection

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1mediumlogic

Two girls ate dinner together. They both ordered ice tea. One girl drank really fast and finished 5 in the time that took the other to drink just one. The girl...

2hard

I am a five letter word and I am a fruit. Take the first letter out and I am a crime, take out the first and second letter and I am a animal, take out the first...

3hardmath

You start with 1000 then add 40 add another 1000 then add 30 add another 1000 then add 20 add one more 1000 then add 10 what is your answer?

4hardmath

An interesting formula for generating a good many (but not all) primes is n2 + n + 41. If we plug in consecutive integers 1, 2, 3, etc., at least up to a certai...

5easy

What has a mouth but can't chew?

6easywhat am-i

You can have me almost every night, Sometimes I could be bad sometimes I can be nice, Whether you were a child or an adult i'll be there. What am I?

7easylogic

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

8easylogic

A man shaves several times a day, yet he still has a beard. Who is this man?

9hardwhat am-i

Lives without a body, hears without ears, speaks without a mouth, to which the air alone gives birth. What is it?

10easy

One night, a butcher, a baker and a candlestick maker go to a hotel. When they get their bill, however, it's for four people. Who's the fourth person?

11easy

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

12easywhat am-i

Looks like water, but it's heat. Sits on sand, lays on concrete. People have been known, To follow it everywhere. But it gets them no place, And all they can do...

13easylogic

What has a head, a tail, is brown, and has no legs?

14hard

Although I'm far from the point, I don't make mistakes, I fix yours. What am I?

15easy

Pointing to a man, a woman said, "His mother is the only daughter of my mother." How is the woman related to the man?

16hard

Little trotty hetty coat in a long petticoat and a red nose the longer she stands the shorter she grows. What is it?

17easy

What unusual property do the words FLOUR, TERN, and THIRSTY have in common?

18hard

What time of day, when written in a capital letters, is the same forwards, backwards and upside down?

19mediumfunny

You bought a cute little girl mouse at the pet store. This mouse can breed once every month, 7 babies at a time. So how many mice will you own in exactly twelve...

20easywhat am-i

I am invisible, yet everywhere. Yet I am everywhere, I am not active in some places. Sometimes, you can feel me. I can be so strong, I can push you, and even de...

21mediumwhat am-i

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

22mediumlogic

There were two men walking around on a deserted island with no food or water. One of the men got so hungry that he killed and ate the other man. No one discover...

23hardlogic

Tom and his younger sister were fighting. Their mother was tired of the fighting and decided to punish them by making them stand on the same piece of newspaper...

24easywhat am-i

I am at the beginning of eternity, but also I am at the beginning of equators. I am at the end of life, but also I am the end of love. What am I?

25hardwhat am-i

Creatures of power, creatures of grace, Creatures of beauty, creatures of strength. As for their lives, they set everything's pace, For all things must come to...

26easylogic

Is it legal in New York for a man to marry his widow's sister ?

27easyfunny

What has four wheels and flies?

28easywhat am-i

Many have heard me but nobody has seen me and I will not speak back until spoken to. What am I?

29easy

When it is alive we sing, when it is dead we clap our hands. What is it?

30easywhat am-i

I am used to bat with, yet I never get hit. I am near a ball, yet it is never thrown. What I am?

31hardmath

A bat and a ball cost $1.10. The bat costs one dollar more than the ball. How much does the ball cost?

32easy

What is often returned but never borrowed?

33easylogic

Dead on the field lie ten soldiers in white, Felled by three eyes, black as night. What happened?

34hard

Thousands lay up gold within this house, But no man made it. Spears past counting guard this house, But no man wards it.

35mediummath

How many 9's are there between 1 and 100?

36hard

Think of words ending in GRY. Angry and hungry are two of them. There are only three words in the English language. What is the third word? The word is somethin...

37hard

What flies without wings?

38easy

While walking down the street I met a man. He tipped his hat and drew his cane and in this riddle I told his name. What is the man's name?

39easywhat am-i

The more you take away, the larger it becomes? What is it?

40easy

I'm flat when I'm new. I'm fat when you use me. I release my gas when something sharp touches me. What am I?

41mediumwhat am-i

You use me everyday but let me rest at night. I have an identical twin beside me all the time. For some reason you always cover me up. I am not alive but I have...

42hard

Which vehicle is spelled the same forwards and backwards?

43hard

Why is the letter A the most like a flower?

44easy

What three letters change a girl into a woman?

45easy

David's father has three sons: Snap, Crackle, and ?

46hardwhat am-i

I am the shortest complete sentence in the English language. What am I?

47easyfunny

What has a bottom at the top?

48mediumlogic

A man was found dead in his study. He was slumped over his desk and a gun was in his hand. There was a cassette recorder on his desk. When the police entered th...

49mediummath

Jim and Wanda both have some apples. If Jim gives Wanda an apple, they will both have the same number of apples. However, if Wanda gives Jim an apple, Jim will...

50easywhat am-i

What has roots as nobody sees, Is taller than trees Up, up it goes, And yet never grows?