I am looking for riddles/word questions for elementary grades, but not the typical riddles.?

I need riddles/word questions that are obvious/take brains/are logical. Here are examples: "What word in the English language has every single vowel in it?" or "What is the only English word that has the letters 'MT' in it next to each other?" Other good ones include "Who was buried in Grant's tomb?" or "Mary's father had 4 daughters. The name of the first is NaNa. The second one is NeNe. The third one is NiNi. Who is the fourth?" (Answer is MARY, not NoNo.) Get it? I don't need riddles like "How is a rat like a man?" or "Why did the chicken cross the road?" etc. I'd like riddles that you can answer if you have your thinking cap on. Thanks in advance!!