2020 4marks Nan Hua P6 Paper2 SA2 P6 / Nan Hua / 2020 / SA2 Prelims / Paper 2 – Q10 [4 marks] Question: The average of 6 numbers is 78. When one number was removed, the average increased by 9. What is the number that was removed? Solution: Similar Posts P6 / Rosyth / 2019 / SA2 / Paper 2 – Q01 [2 marks] P6 / Nan Hua / 2021 / SA2 / Paper 1 – Q24 [2 marks]