A * B means A is the sister of B A $ B means B is the mother of A A +...
The correct option is Option D.
In either of the three cases the sex of M is not clear that is “M” may be male or female. So Option D is the correct option
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A * B means A is the sister of B A $ B means B is the mother of A A +...
Solution:
Given,
A * B means A is the sister of B
A $ B means B is the mother of A
A B means A is the brother of B
A = B means B is the father of A
We need to find the relation between M and N.
Option (a) M = P Q * N - This means that P is the father of M and Q is the mother of M, and N is the sister of M. This does not give us any information about the relation between M and N.
Option (b) N P = Q * M - This means that P is the mother of N, Q is the father of N, and M is the brother of N. This does not give us any information about the relation between M and N.
Option (c) N * P $ Q * M - This means that P and Q are the parents of N, and M is the brother of N. This does not give us any information about the relation between M and N.
Hence, the correct answer is option (d) None of these, as none of the given options provide the relation between M and N.