Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

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?

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?

Give it food and it will live; give it water and it will die.

I am the fastest animal but cannot climb the tree. What am I?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Why 1729 is a magic number? Answer Logically.

I make two people out of one. What am I?

How many times can you subtract the number 5 from 25?