No Adults
Even if the two twins are not adults, as they are still probably kids, there’s still the king and queen who surely are adults, right? So why are there no adults in the room? It’s time to put your thinking cap on and think of the right answer. You’ll be laughing at yourself once you find out how simple the riddle is and you wouldn’t believe you didn’t get it. There are no adults in the room because these terms are not referring to people, but beds!