Tolkien Quizzes on Sporcle
 

I'm sure I'm not the only 'Downer who's addicted to the quiz-site Sporcle. But as there might still be some whose productivity has not yet been obliterated by it, I thought some links to a few of their Tolkien-themed quizzes might not be amiss. Some of my favourites are:

Tolkien's Kitchen
The Lord of the Rings Chapters
Commonest Words in The Lord of the Rings
Commonest Words in The Hobbit
Lord of the Rings Top 50 Characters
The Silmarillion Top 50 Characters
Middle-earth Characters by Father
Middle-earth Characters by Mother

And if you'll excuse the shamelessness of it, a few I've contributed myself:
Tolkien Characters by Earlier Names
Numenorean and Dunedainic Rulers
Thains of the Shire and Masters of Buckland
Tolkien's Legendarium Miscellany