A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

It is always ahead of me yet I can never see it. What is it?

What jumps when it walks and sits when it stands?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

What is the next number in this series?

4,12,84,3612....

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

What goes up but never comes down?

Why is 6 afraid of 7?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?