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user11550
  • Member for 7 years, 7 months
  • Last seen more than 4 years ago
9 votes
1 answer
470 views

Palindrome multiple of prime

7 votes
1 answer
526 views

Finding partition with equal sum

6 votes
1 answer
60 views

Percentage of white balls is an integer

6 votes
4 answers
223 views

Equation $x^{\frac{n+1}{n}}=x+1$

5 votes
0 answers
73 views

Some vertex is connected to two of the three vertices

5 votes
1 answer
76 views

Painting triangles in array

4 votes
1 answer
886 views

Probability distribution over bijections

2 votes
0 answers
57 views

Sum of first fraction of binomials

2 votes
1 answer
73 views

Obtaining $\sqrt{r}$ from $r$ with quadratics

2 votes
1 answer
65 views

Two players combine to stop the third

1 vote
1 answer
166 views

Sum of pairwise products divisible by $n$

1 vote
2 answers
146 views

Minimum of $\frac{x}{\sqrt{1-x^2}}+\frac{y}{\sqrt{1-y^2}}+\frac{z}{\sqrt{1-z^2}}$

1 vote
1 answer
58 views

Replace number by non-divisor

0 votes
0 answers
35 views

High sum implies high individual value

0 votes
1 answer
36 views

$BE,BC,CD$ form side lengths of a triangle

0 votes
2 answers
88 views

$ax+by$ dense on real line

0 votes
1 answer
47 views

Minimum boundary size in grid