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In a family code, 'P @ Q' means 'P is the husband of Q', 'P # Q' means 'P is the sister of Q', and 'P & Q' means 'P is the son of Q'. Given 'A @ B # C & D', how is A related to D?

Competition practiceBlood Relations
  • ABrother-in-law
  • BSon
  • CSon-in-law
  • DFather

Step-by-Step Solution

B is the sister of C and C is the son of D, so B is also a child (daughter) of D; A is B's husband, hence A is D's son-in-law.
Answer: C) Son-in-law

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