Think you're smart about money? Take our US currency quiz.

Test your knowledge of our nation's legal tender in this 25-question currency quiz. Has a woman ever appeared on a US bill? Whose likeness appears on the $50 bill? What's the most expensive bill ever produced? Are $2 bills real? Click through to see if you're smart about money:

By Schuyler Velasco, Correspondent

A worker counts US $100 dollar bills at a money changer in this file photo.

Romeo Ranoco/Reuters/File

Question 1 of 25

1. The base unit of currency for the United States is the dollar, and it is printed in denominations (amounts) of various sizes. How many denominations of US dollar bills are currently being printed by the government?

	5

	7

	10

	12