Question:
Kenneth took part in a quiz in which he had to answer 70 questions. In the quiz, 5 marks were awarded for each correct answer and 2 marks were deducted for each wrong answer. Kenneth scored a total of 182 marks for the quiz.
(a) What is the difference between his greatest possible score and his actual score?
(b) How many questions did he answer wrongly?
Solution:
![P6 / CHIJ / 2020 / SA2 Prelims / Paper 1 – Q09 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_CHIJ_Paper1_Q09-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Nanyang / 2019 / CA1 / Paper 2 – Q14 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/04/P6_CA1_2019_Nanyang_Paper2_Q14-Qns.jpg?resize=400%2C260&ssl=1)