You can drop me from the tallest building and I’ll be fine, but if you drop me in water I die. What am I?

What can you hold in your left hand but not in your right?

What begins with an “e” and only contains one letter?

What can you break, even if you never pick it up or touch it?

Where does today come before yesterday?

What goes up but never comes down?

What can you keep after giving to someone?

What has four wheels and flies?

A man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

I’m tall when I’m young, and I’m short when I’m old. What am I?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What color are the stairs?