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'?
Answer
The correct answer is B: X + Y – Z. '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…
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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