1. An issue or difficulty that is easy to understand and resolve, requiring minimal effort or complexity to solve
Fixing the typo was a simple problem that took only minutes.
Corrigir o erro de digitação foi um problema simples que levou apenas minutos.
2. A straightforward challenge or question without complicated factors
The math teacher assigned a simple problem to warm up the class.
A professora de matemática atribuiu um problema simples para aquecimento da turma.