K is the sister of L. L is the son of M. M is the wife of N. N is the brother of O. How is K related to O?

Information Given:
• K is sister of L
• L is son of M
• M is wife of N
• N is brother of O

Trace relation from K → O.

L is son of M → K is also child of M (since sister of L).

M is wife of N → K is daughter of N.

N is brother of O → O is sibling of N.

Thus K is daughter of O’s brother.

Final Answer:
K is brother’s daughter of O.

Final Correct Option:
(D)