Exams › SSC CGL (Prelims) › General
In a coded family relation: A @ B means A is the mother of B; A # B means A is the father of B; A $ B means A is the sister of B. Which expression indicates that X is the paternal grandmother of Z?
- X $ Z # Y
- X @ Y $ Z
- Y @ X # Z
- X @ Y # Z
Correct answer: X @ Y # Z
Solution
X @ Y # Z means X is the mother of Y, and Y is the father of Z. Therefore X is the mother of Z's father, which makes X the paternal grandmother of Z.
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