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Arnaud Mortier
https://sites.google.com/site/mortier2x0/home
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Top Questions
76
votes
The mother of all age-of-the-captain riddles
language
history
arithmetic
asked Feb 11 '19 at 21:27
puzzling.stackexchange.com
53
votes
Notation for an interval when you don't know which bound is greater
notation
asked Jun 8 '18 at 15:17
math.stackexchange.com
33
votes
“Murder!”, said the knight
story
chess
asked Mar 4 '19 at 15:59
puzzling.stackexchange.com
32
votes
There is only s̶i̶x̶t̶y one place he can be
chess
asked Mar 26 '19 at 15:35
puzzling.stackexchange.com
15
votes
Add a visual indication in the question list that a question is locked
feature-request
locked-questions
asked May 1 '19 at 18:46
meta.stackexchange.com
14
votes
A journey through letters and numbers
knowledge
cipher
story
language
asked Aug 22 '19 at 1:22
puzzling.stackexchange.com
14
votes
A scar in the fabric of space and time - a true story
knowledge
lateral-thinking
geography
asked Sep 3 '19 at 21:43
puzzling.stackexchange.com
13
votes
Lunch time riddle
riddle
word
rhyme
asked Jan 24 '20 at 12:10
puzzling.stackexchange.com
12
votes
Copycat chess is back
chess
asked Apr 7 '19 at 23:06
puzzling.stackexchange.com
12
votes
Where shall we go next?
knowledge
history
nonogram
asked Jul 9 '19 at 22:26
puzzling.stackexchange.com
1
2
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Top Answers
88
Why does adding a suitable multiple of $9$ always lead to the reverse of the number?
math.stackexchange.com
34
Why are fractions the same as divisions?
math.stackexchange.com
29
What makes radians superior to turns/revolutions?
math.stackexchange.com
22
Basic Probability Help for First Year Teacher
math.stackexchange.com
21
Without using a calculator, is $\sqrt[8]{8!}$ or $\sqrt[9]{9!}$ greater?
math.stackexchange.com
19
Go Pregnant or Go Home
puzzling.stackexchange.com
19
Is there a formal term for the placement of two symbols next to each other to imply an operation?
math.stackexchange.com
19
Where did I make a mistake in my simplification of the algebraic expression?
math.stackexchange.com
18
Why is there a pattern to the last digits of square numbers?
math.stackexchange.com
17
France's Public Holidays' Puzzle
puzzling.stackexchange.com
17
Why do these days of the week line up?
math.stackexchange.com
16
Are conjugate vectors unique?
math.stackexchange.com
16
Move fast … Or you will lose
puzzling.stackexchange.com
16
Why is it important for a matrix to be square?
math.stackexchange.com
15
Can the product of infinitely many elements from $\mathbb Q$ be irrational?
math.stackexchange.com
14
Spencer's “six standard deviations” theorem - better constants?
mathoverflow.net
14
One 'double agent' two-step on a waltzing floor
puzzling.stackexchange.com
14
Piece de Resistance - Four Dots in a Line
puzzling.stackexchange.com
13
One-digit products in a row of numbers
puzzling.stackexchange.com
13
How many total checkmates can you possibly make against the enemy king?
puzzling.stackexchange.com
12
Minimum number of lines to draw 111 squares
puzzling.stackexchange.com
12
How do you correctly reason that this directed graph is acyclic?
math.stackexchange.com
11
Are all conjugacy classes in $\text{GL}_n(\mathbb R)$ path-connected?
math.stackexchange.com
11
Rebuses around the home
puzzling.stackexchange.com
11
Cool riddle involving integer vectors
math.stackexchange.com
11
My Sixteen Friendly Students
puzzling.stackexchange.com
11
What day is it again?
puzzling.stackexchange.com
11
Who is at the mall?
puzzling.stackexchange.com
11
Number of elements in the set $A=\{x\in\mathbb{R}|f(x)=1\}$.
math.stackexchange.com
10
Is it acceptable to say that a divergent series that tends to infinity is 'equal to' infinity?
math.stackexchange.com
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