Best riddles

What do you call 2 octopuses that look exactly the same?

There’s a key that opens no doors but fills your stomach, what key is it?

Can a man legally marry his widow's sister in the state of California?

A man was driving a truck at 60 mph. He did not have his headlights on and the moon was not up. Yet he did not hit the woman who crossed the road. How?

There are five vowels in English language (a, e, i, o, u, and sometimes y). Easy version: Can you tell us a word contains of these 5 vowels? Hard: Can you tell us a word contains of all these 6 vowels with y? Very difficult: Can you tell us a word contains of all these vowels with y in their alphabetical order?

Find three positive whole numbers that have the same answer added together or when multiplied together.

A train leaves from Halifax, Nova Scotia heading towards Vancouver, British Columbia at 120 km/h. Three hours later, a train leaves Vancouver heading towards Halifax at 180 km/h. Assume there's exactly 6000 kilometers between Vancouver and Halifax. When they meet, which train is closer to Halifax?

What did the baby corn ask the mama corn?

Think of a number. Double it. Add ten. Half it. Take away the number you started with. What is your number?

Every time you stand up, you lose this. What is it?