The given solution is 1200. What do you mean by selecting rows and columns independently? I don't really understand what is wrong with the way I approached this problem; could you maybe elaborate on what was wrong with my "solution."
[b]1. Given a 6x5 array of unique elements, how many ways can three elements be selected so that no two are in the same row or column?
[b]2. Fundamental Counting Principle?
[b]3. This question was a sample question in the Actuary P1 exam prep I am reviewing. I thought it would be...