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Top Questions
7
votes
Colour $2$ or $3$ numbers that total $15$
recreational-mathematics
game-theory
combinatorial-game-theory
asked Mar 12, 2023 at 13:22
math.stackexchange.com
7
votes
An integer and its inverse modulo prime, both less than half of the prime
elementary-number-theory
prime-numbers
contest-math
asked Mar 24 at 17:48
math.stackexchange.com
5
votes
Find the number of non-empty subsets of $\{1,2,3,\dots,8\}$ which do not contain two consecutive numbers.
combinatorics
combinations
asked Aug 28, 2023 at 14:35
math.stackexchange.com
5
votes
In how many ways can 3 distinct numbers fill 6 blanks (each repeated exactly twice)?
combinatorics
permutations
combinations
decimal-expansion
asked Aug 23, 2022 at 13:57
math.stackexchange.com
5
votes
What is wrong with my solution? Probability that every bridge player gets an ace.
probability
combinatorics
asked Feb 4, 2023 at 6:53
math.stackexchange.com
5
votes
Y.A. Rozanov 'Probability Theory A Concise Course' Problem 2.17
probability
probability-theory
proof-writing
asked Feb 7, 2023 at 20:37
math.stackexchange.com
Top Answers
32
Is the notion "If a polynomial has small coefficients (relative to the exponent), then it has small roots" true?
math.stackexchange.com
13
Show by hand : $e^{e^2}>1000\phi$
math.stackexchange.com
10
Finding the 23th digit after decimal point of $(8+3\sqrt{7})^{2023}$
math.stackexchange.com
9
$a^2-b^2=37$, evaluate $ a^2+b^2$
math.stackexchange.com
5
Find the value of $\frac{a+b}{10}$
math.stackexchange.com
5
Reflections of Graphs?
math.stackexchange.com
5
Have I discovered something or have I not been paying attention to circular or near circular geometry?
math.stackexchange.com
5
Concurrency involving two tangents and a secant of a circle
math.stackexchange.com
5
Why multiply by the length of other vector when taking the dot product?
math.stackexchange.com
5
Show that triangle $ABC$ is isosceles.
math.stackexchange.com