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Welcome to the best free preparatory course in Brazil. Preparing you to realize your dream! entering a federal institute. Welcome. TEACHER'S INSTAGRAM (DAILY TIPS and SUMMARIES) - FOLLOW / . . =============== INTENSIVE PLAYLIST 2020 =================== 1ST TO 23RD CLASS https://www.youtube.com/playlist?list.... ========================================================= Question 01 - Pythagoras had an increase in his allowance, which went from R$170.00 to R$200.00. The percentage increase was approximately. A) 11% B) 15% C) 18% D) 19% E) 29% Question 02 - (UFPE). In a car dealership, the ratio between the number of new cars and the number of used cars is three-fifths. What is the percentage of new cars in the dealership? A) 32%. B) 33.5%. C) 34%. D) 35%. E) 37.5% Question 03 - 6,000 candidates applied for the entrance exam of the State University of Londrina. 50% of them chose the exact sciences area and, of these, 40% chose the engineering course. Among all those who wrote for this entrance exam, the number of students who did not apply for the engineering course was A) 1,200. B) 1,800. C) 3,000. D) 4,800. E) 5,000. Question 04 - An article that cost R$ 365.00 had an authorization for a 50% increase in its price. The industry that manufactured it decided to increase only 80% of the authorized rate. The new price of the article is now A) R$46.00. B) R$219.00. C) R$511.00. D) R$657.00. E) R$757.00.