What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What you cannot hold but it is yours?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

Can you identify the hidden rebus in the image below?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

The more you take me, the more you leave me behind.
Who Am I?

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

People put me on the table and cut me but do not eat me. What am I?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?