A $$+$$ B means ‘A is the mother of B’;
A $$-$$ B means ‘A is the sister of B’;
A $$\times$$ B means ‘A is the son of B’;
A $$\div$$ B means ‘A is the father of B’.
If, K $$+$$ U $$-$$ T $$\times$$ R $$\div$$ M, then how is K related to M?
K $$+$$ U means K is the mother of U
U $$-$$ T means U is the sister of T
T $$\times$$ R means T is the son of R
R $$\div$$ M means R is the father of M
According to the problem, the family tree is
$$\therefore\ $$K is the mother of M
Hence, the correct answer is Option B
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