Aptitude Test Preparation: Topics, Tricks and a 21-Day Plan

Aptitude tests are the first filter for a huge share of jobs in India: campus placements, IT services hiring, banks, consulting firms, and many product companies. They aren't hard in the way a maths exam is hard. They're hard because of the time limit. Most people could solve every question with enough time. The test checks whether you can do it quickly.

Quick answer: To prepare for an aptitude test, cover the most common topics in quantitative aptitude (percentages, ratios, time and work, speed and distance, profit and loss, probability), logical reasoning (series, arrangements, puzzles, coding-decoding) and verbal ability (reading comprehension, grammar). Practise daily with a timer for three weeks and take full mock tests in the final week.

Quantitative aptitude topics

These appear in most tests:

• Percentages
• Profit, loss and discount
• Simple and compound interest
• Ratio and proportion
• Averages and mixtures
• Time and work, pipes and cisterns
• Time, speed and distance (including trains and boats)
• Number system (divisibility, remainders, HCF and LCM)
• Permutations, combinations and probability
• Data interpretation (tables, bar charts, pie charts)

Percentages and ratios show up inside many other topics, so get fast at them first.

Logical reasoning topics

• Number and letter series
• Coding and decoding
• Blood relations
• Direction sense
• Seating arrangements (linear and circular)
• Puzzles (scheduling, floor-based)
• Syllogisms
• Data sufficiency
• Statement and assumption or conclusion

Verbal ability topics

• Reading comprehension
• Sentence correction and spotting errors
• Fill in the blanks
• Para jumbles
• Synonyms and antonyms

Reading English regularly is the best preparation for this section.

Speed tricks that actually help

• Learn percentage-fraction equivalents. 1/8 = 12.5%, 1/6 ≈ 16.67%, 1/7 ≈ 14.28%, and so on up to 1/20.
• Know squares up to 30 and cubes up to 15.
• Use approximation when options are far apart.
• Work backwards from the options when setting up the equation would take longer.
• Time and work: convert to "work per day" and add rates.
• Speed and distance: keep units consistent and use relative speed for trains and meeting problems.

Test-day strategy

• Do a quick first pass and answer the questions you can solve in under a minute.
• Mark longer ones and come back.
• Check whether there's negative marking. If there is, avoid pure guesses.
• Don't spend three minutes stuck on one question. It costs you two easier ones.
• For puzzles and arrangements, decide in the first 20 seconds if you'll attempt it.

A 21-day plan

Days 1 to 7: foundations

One quant topic and one reasoning topic per day. Learn the method, then do 15 to 20 questions each without a timer.

Days 8 to 14: speed

Revise two topics per day with a timer. Aim for one minute per question on average. Start 20 minutes of reading comprehension daily.

Days 15 to 21: mocks

Take a full timed mock test every day or every other day. Spend as long reviewing as you spent on the test. Note which topics lose you the most time and fix those.

For coding sections

Many IT hiring tests include one or two coding questions. Practise basic problems on arrays, strings and simple maths in the language you know best. Our guide to preparing for TCS, Infosys, Wipro and Accenture covers the full process.

After the test

If you clear the aptitude round, the interviews come next. For many roles they happen over video. You can prepare with our online interview checklist, and if you want a safety net during those calls, SilentlyAI can show a suggested answer on your screen when you ask.

Frequently asked questions

How many days does it take to prepare for an aptitude test?

With a basic maths foundation, three weeks of daily practice is usually enough for placement tests. Start earlier if you've been away from maths for a long time.

Which topics are most important in aptitude tests?

Percentages, ratios, time and work, speed and distance, profit and loss, number series, and reading comprehension appear in most tests.

How can I increase my speed in aptitude tests?

Memorise common fractions, squares and cubes, use approximation, work from the options, and practise with a timer every day.

Is there negative marking in placement aptitude tests?

It varies by company and test. Check the instructions for your specific test, and avoid blind guessing if there is.