Correct answer: Either I or II is true
L>N=M and M≤P≤Q. L vs P: L>M and M≤P — indeterminate. L vs Q: same indeterminacy. But if we consider all possibilities: either L>P (I) or L≤P. If L<Q=P, II holds. They form a complement — exactly one always holds. Source: Either I or II.