Your exam, your next step. Study with real exam questions, understand the answers, and build your preparation rhythm — all in one app.
ELEVEN EXAMS, ONE STUDY ROUTINE
CNU, Federal Police, Unified TSE, Banking (Banco do Brasil and Caixa), DATAPREV, Transpetro, PRF, INSS, Central Bank, Federal Revenue Service, and CGU. Choose the exam and switch whenever you want.
REAL QUESTIONS, LEARNING WITH EVERY ANSWER
There are 9,505 official exam questions, all with explanations to follow the reasoning. Practice multiple-choice or True/False questions, depending on the exam. The explanations are developed with the support of artificial intelligence and checked against the official answer key; this information also appears in the app.
FOCUS ON WHAT YOU NEED TO STUDY
Find questions by subject, position, block, or emphasis. Use the daily plan to prioritize topics that need attention and keep track of your upcoming tasks.
TRAIN WITH TIME LIMITS
Take practice tests of 15 or 45 questions, navigate between items and mark the ones you want to review. Track your performance and completion time.
LEARN FROM MISTAKES
In Pro, revisit questions you got wrong and work on your weaknesses. Track correct answers by topic, XP, levels, and study sequence.
STUDY EVEN WITHOUT A SIGNAL
Questions, test images, and explanations are available offline. No ads and no need to create an account.
START FOR FREE. PROGRESS AT YOUR OWN PACE.
Answer 15 questions per day and take 1 practice test per week for free. These limits are shared across exams. Pro is optional: a one-time purchase, without a subscription, that unlocks unlimited questions and practice tests and error review for all exams in the app.
WHERE THE EXAMS COME FROM
All exam booklets and answer keys are public:
CNU — https://www.gov.br/gestao/pt-br/concursonacional and https://conhecimento.fgv.br/cpnu2
DATAPREV — https://conhecimento.fgv.br/concursos/dataprev24
Federal Revenue Service — https://conhecimento.fgv.br/concursos/rfb22
CGU — https://conhecimento.fgv.br/concursos/concursocgu21
Transpetro — https://transpetro.cesgranrio.org.br
Federal Police, PRF, INSS, Central Bank and TSE — https://www.cebraspe.org.br
WHO WE ARE, AND WHO WE ARE NOT
Mathesis Concursos is an independent study project. We have no affiliation, authorization, sponsorship, or endorsement from any public body or examination board—including the Federal Government, the Federal Police, the Federal Highway Police, INSS (Brazilian National Social Security Institute), Transpetro (Brazilian Petroleum Transport Company), DATAPREV (Brazilian Data Protection Agency), Banco do Brasil (Bank of Brazil), Caixa Econômica Federal (Brazilian Federal Savings Bank), the Central Bank, the Federal Revenue Service, the Comptroller General of the Union, the Electoral Court, FGV (Getúlio Vargas Foundation), Cesgranrio (Rio de Janeiro State Selection Agency), and Cebraspe (Brazilian Examination Board). The app does not provide or mediate any kind of public service: it serves only for studying. The questions come from official, publicly accessible exams.
11 exams, real questions and practice tests. Study with explanations, even offline.