L is the mother of M. L has only two children. N is the sister of M. N is the daughter of K. Z is the grandson of K. O is the mother of Z. How is O related to N?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Sister-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, O is the sister-in-law of N.
Hence, option 4 is the correct answer.