Pointing to Gokarna, Gauri said, 'His mother is the only daughter of my mother.' How is Gokarna related to Gauri? MCQ with Answer and Explanation

Explanation:
P + Q → P mother of Q. Q + R → Q mother of R. R – S → R sister of S, so S brother. S ÷ T → S father of T. So Q is mother of S, S is father of T, hence T is grandson of Q.

Explanation:
The only daughter of Reena's father-in-law is her husband's sister, i.e., Reena's sister-in-law.

Explanation:
U is daughter of S, but likely the question intended 'How is U related to R?' U is daughter of S, S is father of R, so U is sister of R. Hence answer is Sister.