Disco Hits 1970's & Early '80's #3

How many of the world's 24 most populous countries can you name?

Try to name the most-populous American cities whose names are 5 letters long or fewer.

Answer these questions about the music of the 1970s.

You will be shown 10 random numbers between 1 and 100 without knowing what's next. Your task is to put them in order! But beware, if a number cannot be placed, the quiz ends...