N has two children S and P. N's wife J is the only sister of M's mother. R is M's maternal grandfather. How is R related to N?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Father-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, R is the father-in-law of N.
Hence, option 3 is the correct answer.