Do you know the capital cities of these 25 countries?

Just how much attention were you paying in year 9 geography?

Do you know your Ankara from your Istanbul, your Rio from your Brasilia?

If you think your knowledge of the world's capital cities is up to scratch, then this quiz created on Playbuzz this week is the one for you...

Its creator, Kevin Castro, claims that only 1 in 50 people will be able to get every single one correct. See if you can prove him wrong, below: