Q's mother is sister of P and daughter of M. S is daughter of P and sister of T.How is M related to T? Select:
A) Grandfather  B) Grandmother  C) Father  D) Either Grandmother or Grandfather  E) Grandf4her
Explanation:   Q's mother is sister of P &amp; daughter of M.[sex of P and M are not clear]   S is daughter of P and sister of T. [sex of P and T is not clear]   M's children : Q's mother and P   P's children :S[female] and T   \fn_cm \therefore M is either Grandmother or Grandfather of T   Answer: Either Grandmother or Grandfather
<result>D</result>
Q's mother is sister of P and daughter of M. S is daughter of P and sister of T.How is M related to T?