The way

[eravi11]

for Y=2, Z=2
so this shows that X is not greater than z as X=Z.

for other values of Y, X>Z.

hence for Is X>Z there are two answers Yes and No

so should be E

[cliq]

Originally Posted by eravi11

for other values of Y, X>Z.

For other values of Y, X < Z... X is 2