What happened when the wheel was invented?

My location can be determined by the below rebus.
So where am i ?

What number do you get when you multiply all of the numbers on a telephone's number pad?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

What is both possible and impossible at the same time?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

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.

What breaks yet never falls, and what falls yet never breaks?