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how to you prepare for them?
how to you prepare for them?

we do not want to conclude without pointing out again our core recommendations, listing them all together to ease your reviews: general tips: a) do not overuse the calculator. b) pay attention to the unit or scale of the relevant magnitudes. c) be aware of time management. d) answer all the questions. specific advice: • use the reference to the unit as a shortcut, instead of the traditional 100%, to increase and decrease values quickly. • practise by multiplying/dividing by more/less than the unit, to see for yourself the effect on the figures (let the numbers "speak" to you). • do not confuse percentages with percentage points. • obtain variations between two values faster by dividing: final value / initial value • avoid the pitfall of useless data just aimed to mislead you. • do not be afraid of devoting sufficient time to think about how to reduce your calculations. • check if you have a "none of the above" option, or if some options exclude others. • look carefully at circular graphics, from which you may obtain additional information about other categories. • analyse relative weights of categories to deduce their effect on averages and other calculations, especially in graphics. 119
6. conclusions and recommendations in this last chapter, we are going to summarise our method to solve numerical reasoning questions, and briefly recall some of the tips that we have presented throughout this book. as we have seen in our exercises, the most efficient strategy to deal with this type of tests is the following: 1) read carefully the questions and answer options. 2) identify the relevant data according to the question, and mentally "black out" the unnecessary data. 3) check the level of accuracy or estimation using the answer options. 4) decide the method (rule of three, equation, visual deduction, intuitive approach…) 5) perform the calculations and match the result against the options. we consider that, if you practise enough to master the main techniques explained in this book (percentages calculation, increases and decreases, operating with fractions, rules of three, simple equations, calculating averages, and interpreting graphics), your performance in the exam will be very high, not only to get the pass mark that you need (5/10), but also to achieve a much better score. 118