Arunima told Sahil, “Your brother-in-law’s only sister's son is my grandson.” How is Sahil related to Arunima?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. Son-in-law
In the diagram shown;
Square shows males, the circle shows females, vertical lines show generations, a single horizontal line shows brothers or sisters, and double lines show a couple.

From the above figure, Sahil is the son-in-law of Arunima.
Hence, son-in-law is the correct answer.