Question:
There are two numbers. One is 3 times the other. They have exactly four common factors. Three of the common factors are 1, 3 and 7. What are the two numbers?
Solution:
Empowering Students and Parents with Solutions
Empowering Students and Parents with Solutions
![P6 / Nanyang / 2020 / SA2 Prelims / Paper 2 – Q16 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Nanyang_2020_SA2_Paper2_Q16-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Rosyth / 2020 / SA2 Prelims / Paper 2 – Q04 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Rosyth_2020_SA2_Paper2_Q04-Qns.jpg?resize=400%2C260&ssl=1)