In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

What does below Rebus say?

XLR8

How is the moon similar to a dollar?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

What is red and smells like blue paint?

Buy me, smell me or deliver me, I do not change.

Who am I?

What does this rebus means ?

What can go through glass without breaking it?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

If 1+9+8=1, what is 2+8+9?