রসায়ন প্রশ্ন

A flask of volume 0.3 m3 contains a gas 'X' at a pressure of 60KPa.Another flask of volume 0.6m3 contains a gas 'Y' at a pressure of 94KPa.Flasks are connected by a stop cock. If the temperature remains constant and the stop cock is opened, the percentage volume of gas 'X' in the mixture is-