What is full of holes but still holds water?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

Remove two matchsticks to make the below equation correct.

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?