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Aptitude test guides and advice
Written by the people who set our practice tests: what each format asks of you, how it is scored, and what actually moves a score before test day.
Every guide
Search for the format you have been invited to sit, or the publisher or employer named in your invitation.
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Unfolded Shapes Questions In Diagrammatic Reasoning Tests
Unfolded shape questions ask you to match a solid to its net or plan view. The folding method, the traps that catch people out, and worked examples.
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Similar Shapes Questions In Diagrammatic Reasoning Tests
Similar shapes questions ask which option shares a defining property with the sample shapes. The method, a worked example, and the traps to avoid.
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How to Convert Percentages to Fractions, and Fractions to Percentages
Write the percentage over 100 and simplify: 22.5% = 9/40 and 55% = 11/20. Reverse it and 11/20 = 55%. Worked examples both ways, plus practice questions.
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How to Calculate Percentage Decrease
Percentage decrease = (decrease ÷ original) x 100. Learn the formula step by step with worked examples from numerical reasoning tests, plus practice questions.
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How To Add Fractions With Different Denominators: 5 Steps (With Pictures)
Want to learn how to add fractions with different denominators? Check out our easy step-by-step guide to teach you everything you need to know.
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How to Add Percentages Together (and When You Cannot Just Add Them)
Percentages of the same total add directly: 30% + 20% of 200 is 100. Successive changes do not, so a 10% rise then another 10% rise is 21%, not 20%.
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Diagrammatic Reasoning Test Practice - Sequencing
Diagrammatic reasoning tests - learn how to solve sequencing questions, then try some practice questions, with answers fully explained.
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Mirror Image Questions In Diagrammatic Reasoning Tests
A mirror image reverses a shape across the mirror line, keeping every point the same distance from it. Learn the method, then try worked example questions.
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How to Work Out Recurring Decimals: The Nines Shortcut
Put the repeating block over the same number of nines: 0.123 recurring is 123/999, or 41/333. Worked examples, a reference list and where the rule stops.
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How To Solve Equations With Fractions
To solve an equation with fractions, multiply every term by the lowest common denominator, then solve as normal. Step-by-step worked examples included.
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How to Order Fractions From Least to Greatest
To order fractions, give them a common denominator and compare the numerators, or convert each one to a decimal. Worked examples, least to greatest.
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6 Myths Uncovered About Aptitude Tests
Aptitude tests are often misunderstood by candidates. Check out 6 major myths we’ve busted about aptitude testing.
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