If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

What do you call a fish without an eye?

Why do people go to bed?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

If an electric train is travelling south, then which way is the smoke going?

Replace the question mark with the correct number.

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

Who is that with a neck and no head, two arms and no hands? What is it?