Can you replace the question mark with the correct number?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

Can you decipher the following common phrase?

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

Can anyone tell me a word in the English dictionary which has a silent 'z'?

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

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

I am white when I am dirty, and black when I am clean. What am I?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

What is the next number in this matchsticks series riddle?