What number when divided in half becomes zero?

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

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Which five letter word can be added at the end of below word to form a
valid word?

> Pin
> Check
> Boiling
> View

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?