![The binary phase diagram of metals P and Q is shown in the figure. An alloy X containing 60% P and 40% Q](https://www.gkseries.com/blog/wp-content/uploads/2023/09/The-binary-phase-diagram-of-metals-P-and-Q-is-shown-in-the-figure.-An-alloy-X-containing-60-P-and-40-Q-.jpg)
Q. The binary phase diagram of metals P and Q is shown in the figure. An alloy X containing 60% P and 40% Q (by weight) is cooled from liquid to solid state. The fractions of solid and liquid (in weight percent) at 1250 °C, respectively, will be
![](https://www.gkseries.com/blog/wp-content/uploads/2023/09/Screenshot-714.png)
Ans: 22.2% and 77.8%
Sol:
![](https://www.gkseries.com/blog/wp-content/uploads/2023/09/Screenshot-716.png)