Chemical formula of single superphosphate

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

Conclusions: I. K > O II. D ≥ C

Statements: X = P ≥ M; M > M > I > L; P < L < G

Conclusions:

I. G > I

II. X ≥ L

III. L < L

Statements: A > Y = D > Q, M ≤ B > P > Y

Conclusion:

I. Y ≤ M

II. B > Q  

Statements: L < E; M = O; E >K ≥ M

Conclusions:

I. L < M

II. K = O

What should come in the place of question mark, in the given expressions to make ‘D > F’ always true?

P > D ≥ I _?_ J = F > M

What should come in the place of question mark, in the given expressions to make ‘T > Y’ always true?

R > T = U ≥ V ? W ≥ X =Y

Statements:        M @ N % Z #  C & B $ A  # E; W $ Z @ C

Statements: B @ E, E $ Y, Y & I, I % C

Conclusions: I. E @ I                        II. C & B

Statements: X ≥ W, W ≤ U, U > T, T < S

Conclusions: I) X > U

II) S > U

III) T < W

Which of the following expressions will be true if the given expression ′S > T ≥ U < V < W′ is definitely true?