P @ Q means P is greater than Q.
P `underlinecancel("@")` Q means P is either greater than or equal to Q.
P = Q means P is equal to Q.
P © Q means P is smaller than Q.
P `underlinecancel("©")` Q means P is either smaller than or equal to Q.
Statements: L `underlinecancel("@")` N, J `underlinecancel("©")` P, P `underlinecancel("@")` L
Conclusions: I. J = L II. P = N

Options

A. If only I is true
B. if only conclusion II is true
C. if either conclusion I or II is true
D. if either I nor II is true

Answer

D

Explanation

Statements: `L ge N, J le P, P ge L`
Conclusions: I. J = L II. P = N
By tip 7: quick method both must be wrong.