Question:
Felicia drew three circles, A, B and C, to form a figure. The ratio of the area of circle A to the area of circle B to the area of circle C is 1 : 9 : 4. 1/4 of the area of circle A is shaded. What fraction of the figure is shaded?
Solution:
![P6 / Nanyang / 2020 / SA2 Prelims / Paper 1 – Q13 [2 marks] ~ Reader Submission #20](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/06/ReaderSub_20-Qns.jpg?resize=400%2C260&ssl=1)