22 questions, 40 minutes, arithmetic-heavy. Depth in the right topics beats thin coverage of everything.
QA is 22 questions in 40 minutes, and arithmetic carries the heaviest weight — percentages, ratios, averages, time-speed-distance, time-and-work, profit-and-loss. Algebra and geometry follow, with number system and modern maths contributing less. Depth in arithmetic returns more marks than thin coverage of the whole syllabus.
| Arithmetic | Highest return - start here |
| Algebra | High - equations, inequalities, functions |
| Geometry & mensuration | Moderate - formula-heavy but learnable |
| Number system | Moderate - rewards pattern recognition |
| Modern maths | Lower - permutations, probability, series |
QA is the section where non-engineering candidates most often assume they are permanently behind. They usually are not. The mathematics involved rarely goes beyond school level — what separates candidates is fluency and speed with fundamentals, both of which are trainable. Rebuilding arithmetic properly over four weeks beats attempting advanced topics on a weak base.
Speed built on shaky understanding produces confident wrong answers. Work untimed until your accuracy on a topic is consistently high, then introduce the clock. Reversing this order is the most common self-inflicted problem in QA preparation.
Tables, squares, cubes, common fractions to decimals, and percentage equivalents. These are unglamorous and they compound: seconds saved on every calculation add up across forty minutes, and they reduce errors by keeping working memory free for the actual reasoning.
Record every wrong answer with the reason: concept not known, concept known but misapplied, calculation slip, or misread question. After a few weeks the pattern is unmistakable, and it tells you precisely where to work. Most candidates skip this and keep practising what they are already good at.
Twenty-two questions in forty minutes is under two minutes each on average, and some questions are deliberately built to consume five. Reading the full set quickly and picking the tractable ones protects your score more than grinding sequentially from question one.
Section timing is in the CAT 2026 exam pattern; how QA fits alongside the other two sections is in the full CAT 2026 preparation plan.
On which quant book to work through and how: best books for CAT.
Start with arithmetic, which carries the heaviest weight - percentages, ratios, averages, time-speed-distance, time-and-work, profit-and-loss - then algebra and geometry. Work untimed until accuracy is reliable on a topic, then introduce the clock. Keep an error log and revisit older topics weekly.
Yes. The mathematics rarely goes beyond school level, and what separates candidates is fluency and speed with fundamentals rather than advanced knowledge. Rebuilding arithmetic properly over several weeks beats attempting advanced topics on a weak base.
Arithmetic gives the highest return, followed by algebra, then geometry and mensuration. Number system rewards pattern recognition, and modern maths topics such as permutations, probability and series usually contribute less.
Accuracy first. Speed built on shaky understanding produces confident wrong answers. Once accuracy on a topic is consistently high, introduce timing.
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