1mark 2018 Catholic High P6 Paper1 SA1 P6 / Catholic High / 2018 / SA1 / Paper 1 – Q18 [1 mark] Question: Write down all the common factors of 12 and 16. Solution: Similar Posts P6 / Nan Hua / 2021 / SA2 / Paper 1 – Q04 [1 mark] P6 / Maha Bodhi / 2019 / SA1 / Paper 2 – Q02 [2 marks]