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

Can you replace the question mark with the correct number?

Can you decipher the two rows to find the hidden word?

A boy was driving a car, a girl took a lift from her. She asked his name. The boy said - my name is hidden in my car’s number, find it if you can. After this, she got down Car number was [ WV733N ] Can you guess the name now?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

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?

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

Take away the whole and some still remain. What is it?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?