Problems solved: 40

Just sequence	Not your business	Bingo!
Small triangular numbers	Equilateral Triangles	Zero sequence
D Flags	5 instead of 1	Bools and cows
Weird equation	U turn	Sum of digits 2020
Friendly rooks	Area of triangle	2+1
Square multiples of 24	Squared fours	Divisibility by 4
Relatively prime with 2020	One three-digit number	NRD pair
Money date	Random answer	2020 Palindromes
Sum of four	Triangle in hyperbola	Special square
Switchers	What a function	Odd divisors
VNT	2020 digit	Point O
Oh-matrix	Odd polynomial	Temirlan's cake
Test	Cubical squares	Numbers ratio
Tommorow's day

Games

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