Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

The Little ant seems to be always confused. Do you know why?

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

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

Can you replace the question mark with the correct number?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

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.