You Put 5 Non-Interacting Identical Fermions Each of Mass M

Multiple Choice

You put 5 non-interacting identical fermions each of mass m into a 1-d box of dimension L.You then put 10 non-interacting bosons each of mass m into a 1-d box of length 2L.Which system has the lowest ground-state energy and what is the value of the fermion system ground-state energy divided by the boson system ground-state energy?

A) fermion system,19/10
B) boson system,10/19
C) boson system,38/5
D) fermion system,5/19
E) none of the above