Planes by Nickname

Guess the world's twenty most-traded currencies, and the countries or special regions that issue them.

Can you name the 26 nations that have at least one urban area with 10,000,000 or more inhabitants? The '#' column is the number of megacities.

Can you beat the clock to make it from the 3-letter word all the way to the final 9-letter word?

There's something quite tricky about each one of these questions. Try and fail to answer them correctly.