Question

‘A × B’ means ‘A is B’s brother’. ‘A ÷ B’ means ‘A is B’s sister’. ‘A + B’ means ‘A is B’s father’. ‘A – B’ means ‘A is B’s mother’. Using the same meaning of the mathematical operators as given above, which of the following means ‘X is Z’s mother’s father’?

A X + Y – Z
B X – Y + Z
C X + Y × Z
D X × Y + Z
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