Welcome to MindCipher, a social repository of the world's greatest brain teasers, logic puzzles and mental challenges.
0 1 What is Sammy exactly?
Police! Police! She cried, Police! he died! Sammy was my friend. If this is the end and i wont see him again, let me give just a kiss. Sammy was my friend. Down the roar he shall slide turning ro ...
Submitted by Aakash
Easy
3.0
10 22 3 Coins
Not sure what the answer is, ideas welcome! You have 3 coins, one always comes up heads, the second always comes up tails, and the third is a fair coin. You select a coin at random. After selecting ...
Math help Submitted by city_slick
Easy
3.0
1 8 Right or Left?
This is interesting. Look at the animation below. Do you see the girl spinning clockwise or counter-clockwise
Easy
3.0
6 10 Psycho Killer
While at the funeral of her mother, she met a man whom she did not know. She thought he was amazing, her dream guy, and she fell in love with him but never asked for his number and could not find him ...
Submitted by Valentin
Easy
3.0
0 4 Cutting Numbers
When is Seven half of Twelve?
lateral thinking Submitted by Ravi
Easy
3.0
2 3 Nice to meet you
At a secret meeting, everyone shakes hands exactly once with every other person present. Altogether there are forty-five handshakes. How many people attended the meeting?
Easy
2.9
3 5 Brain Teaser 56
Answer Yes or No to this brain teaser
Easy
2.8
4 6 Guilty Innocence
I am a drug dealer. I have been questioned by the police with all of my drugs surrounding me, but I was not arrested. Why?
Easy
2.8
3 8 How many?
As I was going to St. Ives, I met a man with seven wives. Each wife had seven sacks. Each sack has seven cats. Each cat had seven kits. Kits, cats, sacks, and wives, How many were going to St. Ives? ...
Submitted by Gene
Easy
2.8
5 5 Troll Toll
You are on your way to visit your Grandma, who lives at the end of the valley. It’s her birthday, and you want to give her the cakes you’ve made. Between your house and her house, you have to cross ...
Submitted by Aakash
Easy
2.7
5 1 What Number Is It?
So there are two students, that play a game with their teacher. They have 10 cards, each card is numbered 1,2,3,...,9,10. And then their teacher gives them two cards that is consecutive. For example, o ...
Easy
2.7
8 10 Interview Question - Databases
This is a common interview question at companies like Google and Amazon: “Explain a database in three sentences to your eight-year-old nephew.” This question has an infinite number of solutions. Fee ...
Easy
2.7
2 3 Tick Tock
With a seven-minute hourglass and an eleven-minute hourglass, what is the quickest way to time the boiling of an egg for fifteen minutes?
Submitted by Aakash
Easy
2.6
2 6 The Easy Sum of 1..100?
Quick,without using a calculator, what is the sum of all numbers between 1 and 100 inclusive? Or 1..10 for that matter..
Submitted by Valentin
Easy
2.5
4 4 Sold!
A dealer bought a painting for $70, sold it for $80, bought it back for $90, and sold it again for $100. How much profit did he make?
Submitted by Valentin
Easy
2.5