3 years ago, the ratio of the ages of A and B was 2:3

Statements:

C > D ≥ E ≤ F; Y ≥ Z ≥ A = C

Conclusion:

I. Y > F

II. F ≥ Y

Statements: J > A > G < N < K = V

Conclusion 

I. J > K                  

II. V > A

Statements: I % C, C & D, D $ K, K # Z

Conclusions: I. I & D                        II. D # Z

Statements: M ≤ N = O ≤ P; P = Q ≤ U; R > N = U

Conclusions:

I. R > O

II. U ≥ M

Statements: A > I = L ≥ Y = T ≥ W, D < V ≤ W

Conclusions:

I. Y ≥ D

II. V ≤ L

III. I > D

Statements: D = E ≥ G = K, O > B ≤ C = K, E ≤ I < F

Conclusions: I. K > O II. D ≥ C

Statements: Q > R ≥ V = U ≤ W > S = T ≤ X

Conclusion

I: X ≤ V

II: X > V

Statements: R ≤ K ≤ H = O ≥ D > Q; K > P

Conclusions:I. K < Q II. D ≥ P