Exams › SSC CGL (Prelims) › General

Given the coded relations: 'P $ Q' means 'P is the son of Q'; 'P * Q' means 'P is the mother of Q'; 'P ^ Q' means 'P is the wife of Q'; 'P # Q' means 'P is the sister of Q'. If 'A * B # C $ D $ E ^ F', which of the following statements is INCORRECT?

1. A is the mother of C.
2. B is the daughter of D.
3. F is the paternal grandfather of A.
4. E is the paternal grandmother of C.

Correct answer: F is the paternal grandfather of A.

Solution

Decoding: A*B => A is mother of B; B#C => B is sister of C, so C is also A's child (A is mother of C - TRUE); C$D => C is son of D; D$E => D is son of E; E^F => E is wife of F, making F the father of D and paternal grandfather of C (not of A). So 'F is the paternal grandfather of A' is false, as F is a generation below A.

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