How can one talk without saying a single word?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

Remove two matchsticks to make the below equation correct.

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

You need to remove two matchsticks to make the below equation true. Can you do it ?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

People make me, save me, change me, raise me. What am I?

Can you decipher the below rebus?

PBLUESAISNUERSES