RRB NTPC Prelims Model Paper 15 with solutions

P @ Q means P is neither greater than nor equal to Q.
P # Q means P is not less than Q.
P $\mathrm{\$}$ Q means P is neither greater than nor less than Q.
P © Q means P is not greater than Q.
P % Q means P is neither lesser than nor equal to Q.
Statements:
T $ X, X # W,
W @ Y, Y % Z.
Conclusions:
I. T % W
II. X @ Y
III. Z % W