Question

How is R related to T?

• A. Father-in-law
• B. Mother-in-law
• C. Father
• D. Mother

Hint:

Track in-law relations by linking through the spouse: spouse's father $\Rightarrow$ father-in-law; spouse's mother $\Rightarrow$ mother-in-law.

Answer 1

The Correct Option is A

Step 1: Parent-child and marriages. 
R has only two children, P and S (both daughters). 
T is married to P. 
Therefore, R is P's father. 

Step 2: Relation to T. 
Since T is P's husband, P's father (R) is T's father-in-law. 
Also given "R is the son of Y" confirms R is male. \[ \boxed{\text{R is T's father-in-law}} \]

Answer 2

Let's work outward from T instead of from R, asking "whose father is R, and how does that connect to T?"

1. Option Father-in-law: T's spouse is P (since "T is married to P"). P's father is R (since R's only two children are P and S, and R is confirmed male via "R is the son of Y"). The father of one's spouse is precisely a "father-in-law." This fits exactly.
2. Option Mother-in-law: This would require R to be female, but R is explicitly male ("R is the son of Y"), so this option is ruled out on gender grounds alone.
3. Option Father: R would only be T's own father if T were R's child directly, but T is connected to R only through marriage to R's daughter P, not by direct birth — so "father" (without the "in-law") doesn't apply.
4. Option Mother: Again ruled out both by R's male gender and by the fact that the connection runs through marriage, not direct parentage.

Working from T's side confirms the same relationship: R is the father of T's spouse.

Hence, the correct answer is Father-in-law.