I. 2x² + 11 x + 15 = 0     II. 2y² - 19 y 

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: P < Q ≤ R ≤ S; P > T = V ≥ X; S ≤ W = Y < U

Conclusions:

I. U > R

II. W > X

III. Q < Y

Which of the following expressions will be true if the expression Q ≥ M = R > F = E ≤ X is definitely true?

In which of these expression ‘X ≤ B’ is definitely true?

Statements:O < P,P < Q,Q < R

Conclusions: I. P < R II. P > Q

Statements: U > H ≥ W; S > T ≥ B; S < H; C ≤ D = U

Conclusions:

I. D > B

II. T < U

III. W ≤ D

Statements: U $ N © C @ H © Y

Conclusions: 

 I. U © H 

II. C # U 

III.H © U

Statements: J # Q, Q * D, D % P, P $ Y