Using Only Five 5's and any mathematical operator make sum as 37

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

Can you find the company name in the pictogram below?

Readers with the most attentive eyes can find three differences between the crocodile pictures in 10 seconds. Can you? Test your attentiveness now!

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

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

? : 3839 :: 11 : 1209

A man comes across a coin that is dated 226 B.C. Can you calculate its worth?

One night, Louis and Adam were sitting together. Adam was watching a movie while his wife Louis was reading a mystery book. Suddenly the power went out and Adam decided to go to bed, but strangely Louis kept on reading. There was no artificial light around, so Louis kept on reading. How come?

Which is the smallest number that you can write using all the vowels exactly once?