Can you make four (4) nines (9) equal 100?

What is the word or phrase?

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?

What brings you down but never up?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

If a wheel has 54 spokes, how many spaces are there between the spokes?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

I have teeth but i don't bite. Who Am I ?