Interview Q&A / Aptitude
Aptitude interview questions
Quantitative shortcuts for placement tests: percentages, time and work, and more.
Prefer rapid revision? Practise Aptitude short interview answers →
- How do you solve probability questions on coins, dice and cards?
Probability = favourable outcomes / total outcomes, when all outcomes are equally likely. List the sample space carefully. Two coins have 4 outcomes, two dice have 36, a deck has 52 cards. For "at least one" questions, use 1 minus the probability of none.
IntermediateIn-depth4 min read