Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

I am sure no one can have two things for dinner. what are they?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

What has a bottom at the top?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

Which wheel of car does not rotate when you turn your car right?

What can you serve, but never eat?

What seven-letter word has hundreds of letters in it?