What is the next number in this matchsticks series riddle?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

What number divided by 4 is the same as that number minus 4?

What does the below rebus riddle means?

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

What type of tree can I carry in my hand?

How can you tell a raw egg from a hard-boiled egg?

What am I?