Brain Teasers
Optical illusions
Story problems
What am I?
Problem solving
100
Billy’s mother had five children. The first was named Lala, the second was named Lele, the third was named Lili, the fourth was named Lolo. What was the fifth child named?
Billy
100
How many legs does the elephant have?
4
100
A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?
The river was frozen
100
I have a big mouth, and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business. What am I?
A vaccum cleaner
100
What letter comes next in the following sequence? D R M F S L T_
The answer is "D." Each letter represents one note in the diatonic musical scale: Do, Re, Mi, Fa, Sol, La, Ti, Do.
200
A man was walking in the rain in the middle of nowhere without a coat or an umbrella. He got soaked, but not a single hair on his head was wet. How can this be?
He was bald
200
True or False: These lines are parallel?
True
Are these long diagonal lines parallel? They sure don’t look it, but they are! Removing the smaller “stitch”-like lines shows the truth about this optical illusion.
200
A family has two parents and six sons. Each of the sons has one sister. How many people are in the family?
Nine. Two parents, six sons and one daughter!
200
Until I am measured, I am not known. Yet you miss me when I have flown. What am I?
Time
200
You are in a place called Wally's World and there is only one law. There is a mirror but no reflection. There is pizza with cheese, but not sausage. There is pepper but no salt. There is a door, yet no entrance or exit. What is the law?
Each word in Wally's World must contain double letters.
300
The more there is, the less you see. What is it?
Fog
300
Are these windows the same size?
Not only are they the exact same size, but their tops and bottoms are also directly in line with each other.
300
Turn me on my side, and I am everything. Cut me in half, and I am nothing. What am I?
The number "8"
300
Take one out and scratch my head, I am now black but once was red. What am I?
A match
300
I come in different shapes and sizes. Some parts of me are curved, and others are straight. You can put me anywhere you like, but there is only one right place for me. What am I?
A puzzle piece
400
You can find it in Mercury, Earth, Mars, Jupiter and Saturn, but not in Venus or Neptune. What is it?
The letter "r"
400
Under the post, are the lines of this archway meeting in the middle?
They sure are! The post makes the lines look mismatched, but sure enough, they connect! Ready to keep making that brain of yours work?
400
A man describes his daughters, saying, "They are all blonde, but two; all brunette but two; and all redheaded but two." How many daughters does he have?
Three. A blonde, a brunette and a redhead.
400
I weaken all men for hours each day. I show you strange visions while you are away. I take you by night, by day take you back. None suffer to have me but do from my lack. What am I?
Sleep
400
What is unusual about the following words: revive, banana, grammar, voodoo, assess, potato, dresser, uneven?
Take the first letter of each word and place it at the end. It will spell the same word backward.
500
A clerk at the butcher shop is six feet tall and wears size 10 shoes. What does he weigh?
Meat. He is a butcher, so he weighs meat for a living.
500
Which blue dot is larger?
Good for you if you guessed the same size! The left just looks smaller compared to the big circles and empty space around it.
500
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, two people get out, six people get in. It then goes up to the next floor, 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?
I got off on the first floor
500
What do you throw out when you want to use it but take in when you don't want to use it?
An anchor
500
What does this mean? I RIGHT I
Right between the eyes.