Answer A

Your answer: 1817

While the university may have been founded in 1817, it didn't hold classes until 1841. Even after the university moved from its original location in Detroit to Ann Arbor in 1837, classes weren't held for another four years.

Answer B

Your answer: 1837

While the university may have moved to Ann Arbor in 1837, classes weren't held for another four years until 1841. The first graduating class, which only consisted of 11 men, was the Class of 1845. 

Answer C

Your answer: 1841

Correct! The first classes at U-M were held in 1841. The first graduating class, which only consisted of 11 men, was the Class of 1845.