29

Answers
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9
Google question: In a country in which people only want boys
16
What is the oldest open problem in mathematics ?
29
Divide a square into 5 equal squares
8
What are some mathematical concepts that were (pretty much) created from scratch and do not owe a debt to previous work?
2
Is pi a good random number generator?
5
Greatest power of two dividing an integer
10
1 rectangle <= 4 squares (2)
15
Criteria for accepting an invitation to become an editor of a scientific journal
4
Particular problem solved by solving a more general problem.
4
Marey’s problem: Generating all prime numbers in $[n_1,n_2]$
-1
Zero-knowledge proof of positivity
6
Neutral tic tac toe
2
Algorithm to Find all the Cycle Bases in a Graph (2)
6
Balls in boxes (partition)
1
Closest grid square to a point in spherical coordinates (2)
5
Smallest dilation of a quadrilateral?
1
Catenary curve under non-uniform gravitational field
2
Uppercase Point Labels in High-School Diagrams: from Euclid?
1
Calculate Standard Deviation From N Sets of Numbers
1
Models of the reals which have no unmeasurable sets
2
Arrow’s theorem and the postseason
1
What is the smallest integer whose primality status is not known?
18
Shortest irrational path
4
What is the strategy for “all words valid” scrabble?
1
Skewing the distribution of random values over a range
1
Maximum average value within a rectangular bounding box
4
Tetris in 3D with 5 units
6
Can a set of tetrahedra glued together by a common vertex be isometrically embedded in R^4?
3
Mediated envy-free and efficient cake cutting with n=2?