If 21 @ 16 = 12 and 30 @ 25 = 12, then 22 @ 17 = ?'.

Statements: J < K = L ≥ M ≥ P; F ≥ K < G

Conclusion I. J < G II.F ≥ P

Statement: T > U = V < W > X; Y ≤ H < S; X > Z > S

Conclusions:

I. W > Y

II. Y < Z

III. U < Z

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

Statements: Z > X = A ≥ V > W > B; B = Y ≥ U = E > T

Conclusions:

I. Z > U

II. Y > Z

Statement: Z > T ≥ K; Z ≤ S = J; I > T

Conclusion:

I. J > K

II. I > S

In which of the following expressions will the expression ‘D < F’ be definitely true?

Statements:

A ≤ J ≤ K = M; Y ≥ Z > A

Conclusions:

I. J ≤ Z

II. Z ˃ Y

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

Conclusion:

I. E > D

II. D ≥ E