Question:
The container below is made up of 2 cuboids P and Q. The opening of Cuboid P is attached to the side of Cuboid Q. 660 ml of water was poured into the container, filling Cuboid P completely first. The water reached Point X as shown in the figure below. How much more water was needed to fill Cuboid Q to the brim?
Solution:
![P6 / ACS / 2018 / SA1 / Paper 1 – Q04 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/04/P6_SA1_2018_ACS_Paper1_Q04-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / CHIJ / 2018 / SA2 / Paper 2 – Q09 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2019/08/P6_CHIJ_2018_Prelims_Paper2_Q09.jpg?resize=400%2C260&ssl=1)