However, here are some options:
* P&R: This is the most common alternative, standing for "Preguntas y Respuestas".
* P+R: This is another acceptable abbreviation for "Preguntas y Respuestas".
* Preguntas y respuestas: You can simply write out the full phrase.
* Preguntas-respuestas: This is another option, using a hyphen to separate the two words.
Ultimately, the best approach depends on the context and your audience. If you're unsure, it's always safe to write out the full phrase.