Complete the table series riddle by finding the number that can replace "??".

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

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?

I have feet, but no legs. Which animal Am I?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside. The man said, "Oh! I am really sorry, I thought this was my room." He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man. What made her suspicious of that man? He might have been genuinely mistaken.

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

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

Can you spot the hidden girl in the picture below?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?