The PSLE ribbon question from 2017 is a lasting reminder that even questions which look simple at first glance can catch students off guard. Especially in a high-pressure exam setting, small misinterpretations can lead to the wrong answer. 2017 PSLE Ribbon Question: Jess needs 200 pieces of ribbon, each of length 110 cm, to decorate ...

The PSLE coin question involving Ivan and Helen became one of the most talked-about Primary 6 mathematics questions in recent years. Though it may look simple at first glance, it requires a deep understanding of money concepts, model drawing and even mass-to-value comparison. This rare combination made it a challenge for many students and even ...

Understanding how electric charges behave can be confusing, especially when it comes to objects in contact or near charged bodies. Here’s a Secondary 4 question on Static Electricity that has puzzled many students: Question: Three initially uncharged spheres X, Y and Z are in contact, each supported on an insulating stand. A positively charged rod ...