A3P means A is the mother of P
A4P means A is the brother of P
A9P means A is the husband of P
A5P means A is the daughter of P
Which of the following means that K is the mother-in-law of M?
M9N3K4J
M9N5K3J
K5J9M3N
K3J9N4M
Explanation:
M9N → M is the husband of NN5K → N is the daughter of KHence, → M is the son-in-law of KK3J → K is the mother of JHence, → K is a ladyHence, → K is the mother-in-law of M.
M9N → M is the husband of NN5K → N is the daughter of KHence, → M is the son-in-law of KK3J → K is the mother of JHence, → K is a ladyHence, → K is the mother-in-law of M.