Question:
Chairs were arranged in rows in a hall. Guo Ming sat on one of the chairs. There were 4 chairs to his left and 7 chairs to his right. There were 4 rows of chairs in front of him and 4 rows of chairs behind him. How many chairs were there in the hall?
Solution:
![P6 / ACS / 2020 / SA2 Prelims / Paper 1 – Q02 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/05/P6_SA2_2020_ACS_Paper1_Q02-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / ACS / 2019 / SA1 / Paper 2 – Q12 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/03/P6_ACS_2019_SA1_Paper2_Q12-Qns.jpg?resize=400%2C260&ssl=1)