How many students not appeared in exam

Statements: B < C ≤ D; A < B; E < D ≥ F

Conclusions:

I. F < B

II. A < D

III. E < C

In which of these expression ‘X > T’ is definitely True?

Statements:

B < C < J ≤ H; W > F = T > J; P ≤ A < W

Conclusions:

I. C < A

II. P > B

Statements: Y ≤ A = F; H > T; H < V < F; Y ≤ W < R

Conclusions:

I. Y < V

II. T < A

III. W > H

What should come in the place of [@] and [%] sequentially, in the given expressions to make ‘H > A’ always true?

Statements: E & F, H # I, G $ F, E % D, G @ H

Conclusions:     

I. D $ F                 

Statements:

Q ≥ J ≤ V; U > J > X; M = U < P

Conclusions:

I. P > X

II. V ≥ M

Statements: T = U, V < M, W ≥ T, U ≤ V

Conclusion:

I. U ≤ W

II. M > U

Statements:  P = Q < R < S; T ≥ U = S; V > T

Conclusions:

I. P > U

II. V = U

III. Q < V

Statements:  Y ≤ A ≤ Z < X, W = D > Y > E

Conclusions:     

  I. W > E 

II.   E < X 

III. Y < W