Directions : Read the information carefully and answer the following questions:
If A + B means A is the father of B.
If A × B means A is the sister of B.
If A $ B means A is the wife of B.
If A % B means A is the mother of B.
If A ÷ B means A is the son of B.
Which of the following expressions is true if Y is son of X is definitely false?
Given that Y is not a son of X.
In option A and B, Y ÷ X is given, which is wrong. Hence A and B are eliminated.
In option C, X + L x T x Y is given => X is father of Y, which is wrong. Hence C is eliminated.
Similarly E can also be eliminated.
Hence, D is the answer
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