Question:
The pupils in a school are divided equally into Group X and Group Y. The ratio of the number of boys to the number of girls in Group X is 3 : 1 and in Group Y, it is 1 : 2. What is the ratio of the total number of girls to the total number of pupils?
Solution:
![P6 / Nan Hua / 2020 / SA2 Prelims / Paper 1 – Q02 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/02/P6_SA2_2020_Nan_Hua_Paper1_Q02-Qns.jpg?resize=400%2C260&ssl=1)
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