A primitive village follows a strange custom

A primitive village follows a strange custom. They have babies only to have a boy. Whenever a boy is born in a family, they stop having babies and whenever a girl is born, they have a baby again and again till a boy is born. The probability of having a boy is same as the probability of having a girl. What will be the proportion of boys to girls in the village after some time?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #63020