Picture says it all.
Sadly, it is still a rampant misconception that the time allocated during exams should be devoted strictly to writing. Many students dive in without familiarising themselves with the content of the paper first and end up making poor choices right from the start.
Carefully browsing through the paper, choosing the topic using the elimination method, and dissecting the chosen question can take as much as 15-20 minutes. Nevertheless, this time is far from wasted. Consider it as a judicious investment that will yield high returns. Such steps are often overlooked but they are crucial and can make or break your script to the eyes of the examiner.
My classes are based on a holistic approach whereby such tips will be imparted and broken down in the same way that other core syllabus content will be covered. You can rest assured that such aspects will not be neglected.