Question:
The ratio of the number of boys to the number of girls in Group A was 4 : 1.
The ratio of the number of boys to the number of girls in Group B was 2 : 3.
There were twice as many children in Group A as in Group B.
(a) What was the ratio of the number of boys in Group A to the number of boys in Group B?
(b) 10 boys and 10 girls left in Group B. The ratio of the number of boys in Group B to the number of girls in Group B became 1 : 2. How many children were there in Group A?
Solution:
![P6 / Methodist Girls / 2021 / SA2 / Paper 1 – Q08 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/06/P6_SA2_2021_Methodist_Girls_Paper1_Q08-Qns.jpg?resize=400%2C260&ssl=1)
