Interviews guide · 4 min read · Updated
Aptitude test preparation for placements and online assessments
Aptitude rounds filter out large numbers of candidates before anyone reads a resume. They reward speed, accuracy and calm, which all improve with structured practice.
To prepare for aptitude tests, cover the high-frequency topics in quantitative aptitude (percentages, ratios, time and work, time–speed–distance, profit and loss, probability), logical reasoning (series, arrangements, blood relations, syllogisms, coding–decoding) and verbal ability (reading comprehension, grammar, vocabulary). Practise daily in short timed sets, review every mistake, and take a full timed mock each week.
- Learn the method for each topic, then build speed with timed sets.
- Review every wrong answer; most errors repeat.
- Skip and return: do not spend three minutes on one question.
- A weekly full mock trains stamina and time management.
Quantitative aptitude topics
- Number system, HCF and LCM
- Percentages, profit and loss, simple and compound interest
- Ratio and proportion, averages, mixtures
- Time and work, pipes and cisterns
- Time, speed and distance, trains, boats
- Permutations, combinations and probability
- Data interpretation: tables and charts
Logical reasoning topics
- Number and letter series
- Seating and linear arrangements, puzzles
- Blood relations, directions
- Coding–decoding
- Syllogisms, statements and conclusions
- Data sufficiency
Verbal ability topics
- Reading comprehension
- Sentence correction and error spotting
- Para jumbles, fill in the blanks
- Synonyms, antonyms and vocabulary in context
A four-week plan
| Week | Focus |
|---|---|
| 1 | Methods for core quant topics; 20 questions a day |
| 2 | Logical reasoning and verbal; mixed timed sets |
| 3 | Weak topics from your error log; first full mock |
| 4 | Daily mixed sets, two full mocks, light revision |
Shortcuts worth memorising
- Percentage–fraction pairs: 1/8 = 12.5%, 1/6 ≈ 16.67%, 1/12 ≈ 8.33%.
- Successive change: a% then b% gives a + b + ab/100.
- Time and work: if A takes x days and B takes y days, together they take xy/(x + y).
- Relative speed: add speeds when moving towards each other, subtract when moving in the same direction.
- Squares to 30 and cubes to 15 for quick approximation.
Shortcuts only help once you understand the underlying method, so learn the long way first and switch when you are confident.
Keep an error log
After every practice set, write down each wrong answer with one word for why: concept, calculation, misread or time. After a week the pattern is obvious. Most students find that misreading and rushing cost more marks than genuinely hard questions, and those are the cheapest marks to win back.
Common mistakes
- Practising only untimed, then panicking under a clock.
- Spending all your time on quant and ignoring verbal, which is often the quickest section to improve.
- Guessing everything when there is negative marking.
- Not attempting full mocks until the last week.
Exam-day strategy
Read the instructions on negative marking first. Do a quick pass answering everything you can solve in under a minute, then return to harder ones. Keep an eye on sectional time limits.
Practising in CareerVani
CareerVani’s free Curated Practice includes general aptitude sections for quantitative, logical and verbal ability alongside role questions, with no daily limit. The daily challenge gives five questions a day to keep a streak, and Spaced Review brings back concepts you missed.
Frequently asked questions
How many days are needed to prepare for aptitude tests?
Four to six weeks of daily practice is enough for most placement tests if you review mistakes consistently.
Are calculators allowed in placement aptitude tests?
Usually not, or only an on-screen calculator. Practise mental maths and approximation.
Is there negative marking in aptitude tests?
It varies by employer and test. Read the instructions before you start.
CareerVani guides are general career advice, not legal or financial advice. Hiring processes differ by employer; check official job notifications.