Which one of the following book is not written by Vikram

Statements : R < O ≤ P < Q; M < L ≤ N > O; S < Q ≤ K

Conclusions:

I. M < K

II. N > R

III. O < S

A statement is given, followed by four conclusions given in the options. Find out which conclusion is true based on the given statement.

Statements: J = N, K < L, M ≥ J, N ≤ K

Conclusion:

I. N ≤ M

II. L > N

Statements:  T < U = S ≤  O, C > Y ≥ X, T > K = X 

Conclusions

I. O > K

II. C < T

III. U > K

Statements: G > L = V ≥ Z ≤ O = Q < K < N

Conclusions:

I. L ≥ Q

II. Z < N

Statements : T % W % B $ I @ L 

Conclusions : 

I. B * T 

II. L © B 

III. L * T

Statement:

R ≤ P >K ≤ L; W ≤ X = K > O; Q > L

Conclusion:

I) W < L

II) L = W

Statement: M < N; L ≥ U; L ≥ Q; U > N ≥ T

Conclusion:

I. N > Q

II. Q > T

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

Conclusions :

(i) R > U (ii) V ≥ U (iii) P = R (iv) P < R