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Question

Difficulty: MediumBlood Relations

In a family of seven members—P,Q,R,S,T,U,P, Q, R, S, T, U, and VV—spanning three generations, there are two married couples. PP is the brother-in-law of RR, who is the only daughter of UU. SS is the father of QQ and PP. TT is the maternal grandmother of VV, and QQ is married to RR. If VV is a male child of QQ and RR, how is VV related to UU?

Answer: Grandson / Maternal grandson / Grand-son / Maternal Grandson

Answer

Grandson (or Maternal grandson)
Since R is the daughter of U and the mother of V, U is the grandfather of V. Because V is male, V is the grandson (or maternal grandson) of U.

Step-by-Step Solution

1
Determine the relation between R and Q, and identify their genders.
R is the daughter of U (female). Q is married to R, which means Q is male.
Marriage in standard family tree problems consists of one male and one female.
2
Identify the maternal lineage of V.
V is the child of Q (father) and R (mother), making R the mother of V.
Since T is the maternal grandmother of V, T is the mother of R, and U is the father of R.
3
Determine the relationship between V and U.
U is the maternal grandfather of V, making V the grandson (maternal grandson) of U.
V is the male child of U's daughter R.

Key Concept

Multi-generational family tree blood relations and maternal lineage deduction.
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Topics

Blood Relations

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