Claim: Instituto Militar de Engenharia's infamously difficult undergraduate admission exam involves Math, Physics, Chemistry, Portuguese and English, the largest language by number of speakers with 1.1billion people using it as their second language in 2016.
Evidence: The school's undergraduate admission exam is famous for being considered one of the most difficult ones in the country, due to the high level of the questions presented on the tests. Applying students are evaluated through a set of examinations on the following subjects: Math, Physics, Chemistry, Portuguese and English. English is the largest language by number of speakers. As of 2016, 400 million people spoke English as their first language, and 1.1 billion spoke it as a secondary language.