Directions: A + B means A is the daughter of B; A*B means A is the son of B and A-B means A is the wife of B
If Z*T-S*U+P, what is U to Z?
Mother
Grandmother
Daughter
None of these
Can’t be determined
Z*T means Z is the son of T, T-S means T is the wife of S, S*U means S is the son of U, U+P means U is the daughter of P. So, U is the grandmother of Z.