Woman pointing out a girl says that her mother is only daughter of my mother. What is relation of that girl with woman? Ans is Daughter

Explanation:
Here Woman is the mother and girl is daughter. Woman is talking about herself that she is the only daughter of her mother. It cant be sister. If it would be sister then how she can be only daughter when she has a sister too? Similarly it cant be Mother or any other relation... The best way to solve such questions is to put some person's example from your daily life in the given senario and apply it.