There was an aeroplane crash, every single person died, but two people survived. How is this possible?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Below rebus represent famous DiCaprio movie. Can you name it?

Identify The phrase in the picture.

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Which of the below owl is odd one out?