Question:
At 8 a.m., a swimming pool was completely filled with water. From 8 a.m. to 1 p.m., water was drained from the swimming pool. The line graph below shows the volume of water in the swimming pool from 8 a.m. to 1 p.m.
During which one-hour period was the decrease in the volume of water the greatest?
Solution:
![P6 / Red Swastika / 2020 / SA2 Prelims / Paper 2 – Q04 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Red_Swastika_2020_SA2_Paper2_Q04-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Tao Nan / 2019 / SA1 / Paper 2 – Q02 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Tao_Nan_2019_SA1_Paper2_Q02-Qns.jpg?resize=400%2C182&ssl=1)