What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

Replace the question mark with the correct number below.

If six children and two dogs were under an umbrella, how come none of them got wet?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

What kind of band never plays music?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?