What is a skyscraper Sudoku?

Skyscraper Sudoku is a Sudoku variant where additional clues are presented outside of the main grid along the rows and columns. Just like in the example b...

What is guilty party called?

Noun. Someone who does wrong, whether morally, ethically, or in contravention of a law. wrongdoer. malefactor. Who started WACKO MARIA? Keiji IshizukaFoun...

What is a increasing sequence?

A sequence {an} is called increasing if. an≤an+1 for all n∈N. It is called decreasing if. an≥an+1 for all n∈N. If {an} is increasing or decreasing, then i...