Question:
Weiling took part in a Mathematics quiz which consist of 60 questions. For every correct answer, 3 marks would be awarded. For every wrong answer, 2 marks would be deducted. Weiling answered all the questions and scored a total of 140 marks for the quiz. How many questions did she answer correctly?
Solution:
![P6 / Henry Park / 2021 / SA2 / Paper 1 –
Q20 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/06/P6_SA2_2021_Henry_Park_Paper1_Q20-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / CHIJ / 2020 / SA2 Prelims / Paper 2 – Q13 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_CHIJ_Paper2_Q13-Qns.jpg?resize=400%2C260&ssl=1)