Diesel locomotives are built

Statements: T < U = V = W < X < Y; Z = Y < R < S < O

Conclusions:

I. Z > U

II. T < O

Which of the following symbols should replace (1) and (2), respectively in the given expression in order to make the expression R < H definitely true?

Statements: M = N; O < P < Q; N > O

Conclusions:

I. Q > N

II. M > P

Statements: T ≤ Q > B = W, Q ≥ E ≥ H

Conclusion:

I. B > H

II. T ≥ E

III. H = W

Statements : I = K > N; N ≥ G ≥ H; P = H > F = O

Conclusions :

I. F < K

II. P ≤ N

III. I > P

Statement: V > R; C > U > Q; C < R

Conclusion:

I.V > Q

II. V > U

Statements: G > E < F; E = D > C; C = B < A

Conclusion:

I. B < F

II. G > A

Statements: A $ B, B * C, D % A

Conclusions: a) C # D      b) D $ B