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

? : 3839 :: 11 : 1209

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Bay of Bengal is in which state?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.