A plane crashed between the border of Mexico and America. Where do you bury the survivors?

Solve this riddle by finding the odd one out from the rest.

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

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

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

What has many teeth, but cannot bite?

I cannot talk, but I always reply when spoken to. What am I?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

If you say my name, I will no longer exist. What am I?

Why did the Girl throw the butter out of the window?