All Questions
Tagged with cryptarithm or alphametic
170 questions
4
votes
1
answer
364
views
A binary multiplication cryptarithm. Replace the asterisks with 0 or 1.
Beginner puzzle (suitable for people who are new to puzzle solving).
The only digits in the binary system are 0 and 1.
The operations of addition and multiplication are defined by:
0+0=0, 0+1=1+0=1, 1+...
- 27.1k
10
votes
1
answer
279
views
SIX / NINE = 2 / 3 alphametic
To allow new users to solve this puzzle and earn reputation points, I encourage all users whose reputation is 200 or more to not post an answer until 48 hours after this question is posted. Thank you!
...
- 27.1k
5
votes
1
answer
101
views
Cryptic Division 15: Pick a Card, Any Card...
Happy April Fool's Day! This is the second straight year I've posted a printer's devilry word division on the first of April, and I feel bad about the prank I pulled last year, so this year's trick is ...
- 16k
5
votes
1
answer
315
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\$‡ + \$» = ¤§‡, ^ × \$ × & = ¤»&, ~ × §¤^ = #~!
$‡ + $» = ¤§‡, ^ × $ × & = ¤»&, ~ × §¤^ = #~!, ^¤‡~$»!&§# = ?
This is a puzzle of my making. I’m not seeking solutions. I simply wished to reach an ...
user104142
9
votes
1
answer
253
views
Cryptic Division 14: Gotta Get Down on Pi Day
Maybe since it's my 3rd year posting these puzzles and this is the 14th one I've posted, I can call this one number 3.14...
This is a word division puzzle which uses cryptic clues. If you're ...
- 16k
6
votes
1
answer
341
views
Multiplication alphametic with stars and moons
This puzzle is from Quantum Quandaries (100 brainteasers from Quantum the magazine of math and science)
Mystery of the stars
The moons in the accompanying number rebus denote one and the same digit. ...
- 27.1k
7
votes
2
answers
359
views
“Pandigital” rectangular block alphametic
The digits from 1 to 9 are each used exactly once to write three one-digit integers and three two-digit integers. The one-digit integers are equal to the length, width and height of a rectangular ...
- 27.1k
1
vote
1
answer
104
views
An eight-letter trigonometric alphametic
Using all the integers 1 through 8 inclusive (each exactly once) assign a number to each of the eight letters below:
A C E I N O S T
Different letters must stand for different numbers.
The goal is to ...
- 27.1k
0
votes
3
answers
320
views
QR + PPP + PPP = 2022 alphametic
Beginner puzzle (suitable for people who are new to puzzle solving).
In the sum shown below, each letter represents a digit from 1 to 9, inclusive.
...
- 27.1k
6
votes
1
answer
425
views
Puzzle book: 10 Rouletters
I came across this book years ago (maybe 15-20?) at a fair (in India). At the time, I was too young to grasp the puzzles. Now, I'm revisiting it and finding it incredibly intriguing. I've included a ...
- 736
2
votes
3
answers
305
views
PQR + QR = 1012 alphametic
Beginner puzzle (suitable for people who are new to puzzle solving).
To allow new users to solve this puzzle and earn reputation points, I encourage all users whose reputation is 200 or more to not ...
- 27.1k
19
votes
2
answers
1k
views
A Pandigital Multiplication
Solve ABCDE x 7 = FGHIJ where, as usual, different letters stand for different digits. No leading zeros.
Please show the full analysis of how these digits can be determined.
- 19.7k
8
votes
1
answer
400
views
Cryptic Division 13: Oh, the Horror!
This is a word division puzzle which uses cryptic clues. If you're unfamiliar with either or both of those, you can click the associated link.
In order to solve the alphametic, you'll first need to ...
- 16k
7
votes
1
answer
374
views
In this "alphametic rebus", what number is TWO?
Two times two:
Each letter in the "alphametic rebus" shown in the figure stands for some digit; different letters denote different digits, dots denote arbitrary digits. What number is TWO?
<...
- 27.1k
7
votes
1
answer
216
views
A composite calculation
Who discovered the calculation behind this alphametic?
$MAG \cdot MESSAGE = A^{GM} + G$
- 73.9k