Q’s mother is sister of P and daughter of M. S is the daughter of P and sister of T. How is M related to T?

The correct answer is: Grandmother.

Here is a detailed explanation:

• Q’s mother is sister of P and daughter of M.
• S is the daughter of P and sister of T.

This means that Q, P, S, and T are all siblings. M is the mother of Q and P, and the grandmother of S and T.

Option A: Grandmother. This is the correct answer. M is the grandmother of S and T because she is the mother of their parents.

Option B: Father. This is incorrect. M is not the father of S or T.

Option C: Grandfather. This is incorrect. M is not the grandfather of S or T.

Option D: Grandfather or Grandmother. This is incorrect. M is only the grandmother of S and T, not their grandfather.

Option E: None of these. This is incorrect. M is related to T as her grandmother.