If you take away one thing from today's mentalfloss.com Brain Game Tuesday Test Time challenge, remember that the Missouri - not the mighty Mississippi - is the longest river in North America, running over 2,500 miles. That said, here we go:

The Missouri River forms parts of
the borders of which FIVE U.S. states?

Here are the ANSWERS.


IOWA, KANSAS, MISSOURI, NEBRASKA, SOUTH DAKOTA. The river also extends into North Dakota and Montana, but does not form part of either state's borders.

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