I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Count the number of triangles in the picture below:

What building has the most stories?

What have one eye but still cannot see?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

What does a man do only once in his lifetime, but women do once a year after they are 29?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Can you find out the total number of triangles in the given figure?

When it is alive we sing, when it is dead we clap our hands. What is it?