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In coded relation type questions, the relationships are represented by certain codes or symbols such as + , - , ÷ , × , * etc. Then relationships between certain persons, given in the form of these codes, are to be analysed.

A + B means A is the daughter of B ;
A x B means A is the son of B  and
A - B means A is the wife of B.

If Z x T - S x U + P, what is U to Z.

Option:
A. Mother
B. Grandmother
C. Father
D. Can't be determined
E. None of these
Answer: B . Grandmother

Justification:

Z x T - S x U means Z is the son of T who is the wife of S who is the son of U  i.e. Z is the son of S who is the son of U  i.e. Z is the grandson of U or U is the grandmother or grandfather of Z.
Form the choice, (b) is true.

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