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  • A $ B means A is the father of B; A # B means A is the sister of B; A * B means A is the daughter of B and A @ B means A is the brother of B.
Question 1:
A $ B means A is the father of B; A # B means A is the sister of B; A * B means A is the daughter of B and A @ B means A is the brother of B. Which of the following indicates that M is the wife of Q?
A. Q $ R # T @ M
B. Q $ R @ T # M
C. Q $ R * T # M
D. Q $ R @ T * M
Feedback Q $ R → Q is the father of R
R @ T → R is the brother of T Hence, → Q is the father of T T * M → T is the daughter of M Hence, → M is the mother of T Hence, M is the wife of Q.

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