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 2 – Q15 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/09/P6_Nan_Hua_2020_SA2_Paper2_Q15-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Nanyang / 2019 / SA1 / Paper 2 – Q17 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Nanyang_2019_SA1_Paper2_Q17-Qns-1.jpg?resize=400%2C257&ssl=1)