We often use U.S. geography in the mentalfloss.com Brain Game Tuesday Test Time challenge, but today's puzzle traverses the globe. Good luck:

What is the most populous city in the world
whose name begins with the same letter as its country
(when rendered in the English language)?

Here is the ANSWER.

THE ANSWER:

SEOUL, SOUTH KOREA.

Second place on the list is Mexico City, Mexico.

Thanks for playing! Tomorrow, it's Wordplay Wednesday.