Question:
Towns P, Q and S are located as shown in the grid below.
(a) A car travels from Town P to Town S along the grid lines. It can only move in the east or north direction, without passing through Town Q. How many possible routes can the car take?
(b) Town Q is south-west of Town X. Put a cross (X) in the grid above to indicate where Town X is.
Solution:
![P6 / Nan Hua / 2020 / SA2 Prelims / Paper 1 – Q13 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/02/P6_SA2_2020_Nan_Hua_Paper1_Q13-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / CHIJ / 2019 / SA1 / Paper 2 – Q11 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/03/P6_CHIJ_2019_SA1_Paper2_Q11-Qns.jpg?resize=400%2C260&ssl=1)