Skip to main content

Questions tagged [magic]

Puzzles that revolve around a magic trick, or an illusion of sorts. Do not use this tag for a puzzle revolving around paranormal or ritual magical concepts.

Filter by
Sorted by
Tagged with
4 votes
1 answer
262 views

mathematical magic trick

Here’s a conversation that took place between two students. A: Hey, want to see a magic trick? B: Sure, how does it go? A: Think of any number. Any nonnegative integer, I should say. B: Okay. A: ...
user1134699's user avatar
14 votes
5 answers
2k views

Design a magic trick

You are a magician designing a new magic trick, which goes like this. First you are blindfolded. Then your assistant asks 4 members of the audience to write 4 distinct numbers between 1 and N (...
Dmitry Kamenetsky's user avatar
11 votes
1 answer
1k views

Secret number magic trick

Welcome to the magic show. First the magician is blindfolded. Now the assistant asks 4 members of the audience to write 4 distinct numbers between 1 and 9 (inclusive) on the back of 4 cards. The ...
Dmitry Kamenetsky's user avatar
5 votes
1 answer
404 views

Leonardo Da Vinci's Magic Calendar

It is the year 1468 and young Da Vinci has built a magic calendar going back to Jesus. Here's how it works: Given 7 distinct years between 33 and 1468 inclusive, the arranger discards one and orders ...
Display name's user avatar
  • 2,260
0 votes
1 answer
176 views

If Norjak were but a stage illusion, how would you have done it? [closed]

I am not certain this is the right site for this post: rather than your analysis of an actual trick of stage magic, I invite you to reconsider the hijacking of Flight NOA 305 ("Norjak") ...
François Jurain's user avatar
6 votes
1 answer
459 views

Some mathematical magic

The magician will perform some mathematical magic. He asks his guest to secretly pick any two digit number and then perform a number of operations on it. If the number is even, divide by 2, if it is ...
quarague's user avatar
  • 1,853
16 votes
4 answers
871 views

What happened today? Asked the magician

Yesterday I went to a magic show and I was part of a clever trick. First of all, the magician arranged 36 cards in a 4 x 9 grid as follows: Then they called me on the stage. I felt a little bit ...
melfnt's user avatar
  • 5,132
-4 votes
3 answers
203 views

Coin in a jar trick

A jar with a single key inside has its lid closed shut. How can you get the key out? The jar is glued to the table, and the lid is stuck as well. Your solution should be quick (a minute max).
Ayman Khalil's user avatar
2 votes
0 answers
201 views

What is the name for this meta magic-trick? [closed]

In his book Intuition Pumps and Other Tools for Thinking Daniel Dennett describes a system of layering magic tricks in the following way: There are some effects—they can hardly be called tricks—...
pseudosudo's user avatar
1 vote
0 answers
130 views

The magic trick [duplicate]

I am here to tell you about two brothers that were doing a magic trick. But not the kind with smoke and mirrors but just a deck of cards and the magic of the human mind. Will you be able to match the ...
Ontamu's user avatar
  • 381
7 votes
3 answers
2k views

Pick one card magic

At a dinner last night, my friend Lan did a magic trick. Any ideas how it worked? First, Lan took a number of cards out of a 52-card deck. I don't know exactly the number of card. To be sure that the ...
emnha's user avatar
  • 181
4 votes
5 answers
898 views

Card trick with two assistants giving two cards each from a 53 card pack (with joker)

A long time ago, I saw on a website (with a grec sounding name i can't remember), a card trick I've passed a long time trying to solve. I hope it has never been posted there and i'm sure it will ...
Untitpoi's user avatar
  • 2,700
0 votes
1 answer
679 views

Does anyone know how to use/perform this card and number trick? [duplicate]

I have these green cards which used to go to some magic trick but I no longer have the instructions. Does anyone know how the performance goes?
Zhro's user avatar
  • 103
14 votes
1 answer
372 views

Presti-digit-ation

In the spirit of lightweight prestidigitation, take a break to enjoy a gimmicky digital magic show. .'''''''''.---> _________________________ An ordinary 4-digit decimal : 3 9 1 8 :--->...
humn's user avatar
  • 21.9k
-3 votes
1 answer
1k views

Magic Square using numbers 4-12 [duplicate]

I have to make a magic square using number 4-12.
AAAAdi's user avatar
  • 1
7 votes
1 answer
412 views

magic with 4 tools in positions switching

There are 4 tools, on a table, in a row: spoon,tablespoon,fork,knife in positions: 4,3,2,1 respectively. The magician look at their initial arrangement and then turns around. Then a ...
Don Fanucci's user avatar
23 votes
4 answers
4k views

A magic trick of David Copperfield

David Copperfield puts $52$ cards numbered $1$ to $52$ into three top hats. One of these top hats is red, one is blue and one is yellow, and each of them receives at least one card. Then David ...
Alexis's user avatar
  • 8,302
4 votes
2 answers
1k views

Five Card Magic Trick with $N$ card Deck

Last week, I saw a magic show, and was the volunteer for climactic act. The magician introduced this act by talking about the Fitch-Cheney card trick, but then explained that she was going to do an ...
Mike Earnest's user avatar
  • 32.4k
5 votes
6 answers
2k views

Three Cards Trick [closed]

Do you know The Fitch Cheney Five Cards Trick? The following is a much harder twist of it. Standard 52 cards deck. Magician is outside the room. Assistant asks random guy from the public to shuffle ...
kamenf's user avatar
  • 6,506
37 votes
6 answers
2k views

Magician, assistant, nine dice, and two cups

A magician and her assistant are performing a magic show today, and you are the only audience member. Since it is a Thursday, the magician is saving her strength for the inevitable dragon attack and ...
zeb's user avatar
  • 1,103
12 votes
2 answers
2k views

What is this magic trick with a sarcophagus shaped box and a set of tokens?

I have a set of kids' magic tricks but I have lost the instructions! I was hoping this might be a good place to get some help. Here is the second one. This one might be a little more tricky but what ...
Simd's user avatar
  • 7,845
28 votes
2 answers
33k views

What is this magic trick with 6 cards featuring numbers between 1 and 60?

I hope this is on topic. I have a set of kids' magic tricks but I have lost the instructions! I was hoping this might be a good place to get some help. Here is the first one. What is the trick and ...
Simd's user avatar
  • 7,845
52 votes
5 answers
36k views

A five card trick - How does it work?

At a party last night, my friends Alice and Bob did a magic trick. Any ideas how it worked? Alice shuffled a pack of cards, and asked me to take five. I looked at them. She put the rest of the pack ...
Colonel Panic's user avatar
6 votes
2 answers
618 views

Brain Reading, part 3

Inspired by this question. Two friends, Andrew and Gabriel are approached one day by their friend Harry. "So, Ellen tells me you two can read each other's mind," says Harry. "Yeah that's right," ...
Michael's user avatar
  • 1,637
9 votes
4 answers
1k views

Brain Reading, part 2

Inspired by this question. Two friends (Bob and Kim) go to another friend (Bill) and claim to be able to read each other's mind. Bill doesn't believe that and wants to test their ability. "Before ...
Michael's user avatar
  • 1,637
36 votes
6 answers
25k views

A funny game you can play with a friend of yours: brain reading

...but first you have to find the solution! Two friends (Andrew and Gabriel) go to another friend (Ellen) and claim to be able to read each other's mind. Ellen doesn't believe that and wants to test ...
Noldor130884's user avatar
  • 1,483