Estimation questions are looking at your problem-solving skills.
Questions sound like this:
“How many disposable babies’ nappies are sold in the UK each year?”
You cannot predict the topic, but you can apply a common-sense approach.
Listen carefully to the information and think through how you can approach the problem. You may be asked to work it out in your head. Use round numbers and make sensible assumptions.
It is not about getting an exact answer – it is about demonstrating a logical and analytical approach.