SSC CHSL 2024 · PYQ · Coded Relationships · medium
'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✓ Correct
C.X – Y + Z
D.X + Y × Z
Explanation
'X is Z's mother's father' means X is the father of Z's mother. If Y is Z's mother (Y – Z means Y is Z's mother), and X + Y means X is Y's father, then X + Y – Z means X is father of Y, and Y is mother of Z. So X is Z's mother's father.
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