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

Options

A. Grandmother
B. Father
C. Grandfather
D. Grandfather or Grandmother

Answer

D

Explanation

S is daughter of P and sister of T. So, T is daughter of P. Now, the sister of P is the daughter of M. This means that P is the son of daughter of M. Clearly, T is the grand daughter of M. So, M is the grandfather or grandmother of T.