If 'A*Z' means 'A is th wife of Z.
If `'AxxZ'` means 'A is the husband or Z.
If 'A+Z' means 'A is the sister of Z'.
If 'A-Z' means 'A is the brother of Z'.
If `'A gt Z'` means 'A is the son of Z'.
If `'A lt Z'` means 'A is the daughter of Z'.
How is M related to B if `'A **B gt Z xx S+M'`?

Options

A. Aunt
B. Grandfather
C. Uncle
D. cannot be determined.

Answer

D

Explanation

(d) `A **Bimplies ` A is the wife of B.
`B gt Z implies ` B is the son of Z.
`Z xx S implies ` Z is the husband of S.
`S+Mimplies ` S is the sister of M.
The sex of M is not known.
M is maternal uncle or aunt of .