Given a set $A$ has $n$ elements, namely $\{1,2,3, \ldots , n \}$. If you want to divide this set in 12 subsets (no empty) such that the sum of each subset of $A$ is the same, what is the smallest possible value of $n$?

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 7 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Your answer seems reasonable.
Find out if you're right!