Question

Who among the following is the sister-in-law of U?

• A. S
• B. P
• C. Q
• D. W

Hint:

For "sister-in-law/brother-in-law" questions, check both routes: spouse’s sibling and sibling’s spouse. Pick the one guaranteed by the data.

Answer 1

The Correct Option is B

Step 1: Use given relations.
- $T$ is the brother of $U$.
- $T$ is married to $P$.
- $R$ has only two children: $P$ and $S$ (both daughters).
- $W$ is the mother of $Q$; $W$ is married to $X$ (so $X$ is father of $Q$).
Step 2: Identify sister\textendash in\textendash law of $U$.
By definition, a sister-in-law of $U$ can be (i) the wife of $U$'s brother, or (ii) the sister of $U$'s spouse.
Here, $U$'s brother is $T$, and $T$'s wife is $P$.
$\Rightarrow$ $P$ is the sister-in-law of $U$.
\[ \boxed{P} \]