Can you solve it? Do you speak Twitter?

Test your knowledge of Tweet-speak, plus a social media maths puzzle

UPDATE: to read the answers and solution click here.

This week, two puzzles about social media. The first is something new for this column, a language quiz, and below it is the usual fare, a mathematical conundrum.

In the 1990s, I used to write a weekly column in the Guardian about language. Were I to write the column today, one of my first subjects would be Twitter slang. Tweet-speak is a form of constrained writing: necessarily brief, and with a distinctive holler.