Problems solved: 21

Five Primes	Equilateral Triangles	Weird equation
Small triangular numbers	One three-digit number	Tan-Sin
Angle chasing	Not your business	Square multiples of 24
Relatively prime with 2020	Money date	2020 Palindromes
Random answer	Sum of four	Tommorow's day
Temirlan's cake	Cubical squares	Numbers ratio
Odd polynomial	2020 digit	Test

Games

Under construction