Pointing towards a boy, Ranjita said, “He is my husband's father-in-law's only daughter's son's
father's only sister's son”. How is that boy's mother related to Ranjita's husband?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Sister.
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, Rampal is the father of Harsh.
Hence, option 4 is the correct answer.