Question:
4 wooden boards were nailed together as shown in the picture below. Board A has 7 holes which divides it into 8 equal parts and Board B has 5 holes which divides it into 6 equal parts. Holes W, X, Y and Z are four corners of a rectangle. Given that Board B is 270 cm long, what is the length of Board A?
Solution:
![P6 / Nanyang / 2019 / SA1 / Paper 2 – Q10 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Nanyang_2019_SA1_Paper2_Q10-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / CHIJ / 2019 / CA1 – Q17 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/03/P6_CHIJ_2019_CA1_Q17-Qns.jpg?resize=400%2C260&ssl=1)