05:01

[MATHEMATICS] (IBFC – 2024) A glass with a capacity of 20 cm³ of water is leaking through a hole...

03:02

[MATHEMATICS] (IBFC – 2024) A team of postmen, working 8 hours a day, completes the route...

02:43

[MATHEMATICS] (IBFC – 2024) A postal truck travels between two cities...

02:41

[MATHEMATICS] (IBFC – 2024) The cost c(x) of sending a package through the Post Office depends on...

02:58

[LOGICAL REASONING] (IBFC – 2025) "A cake recipe serves 6 people, using 3 eggs and 180 g

02:14

[LOGICAL REASONING] (IBFC – 2025) At a party, all the guests ate pizza and/or lasagna.

04:16

[LOGICAL REASONING] (IBFC – 2025) Two friends invested money together in a clothing store.

04:06

[LOGICAL REASONING] (IDECAN – 2024) Given a set B = {− 1, 0, 1, 3, 4}, knowing that A ∩ B

03:30

[LOGICAL REASONING] (IDECAN – 2024) Joana thought of a number, to that number she added 20

04:21

[MATHEMATICS] (IDECAN – 2025) A plot of land has the shape of a rectangular trapezoid, with bases...

03:44

[LOGICAL REASONING] (IDECAN – 2025) Given the sets A = {2, 4, 6, 8, 10}, B = {2, 3, 5, 7, 11}

02:53

[LOGICAL REASONING] (IDECAN – 2023) Pedro and Fábio are brothers and their ages are 21 and 27 yea...

02:59

[LOGICAL REASONING] (IDECAN – 2023) Observe the following numerical sequence: 3, 4, 7, A, B, 28, ...

02:54

[LOGICAL REASONING] (IDECAN – 2023) A customer came to a computer technician

03:05

[MATHEMATICS] (IDECAN – 2023) A farmer has sheep and chickens. He counts the total number...

02:23

[RACIOCÍNIO LÓGICO] (IDECAN – 2023) Considere a seguinte sequência de números:2, 6, 12, 20, 30, ...

01:46

[LOGICAL REASONING] (IDECAN – 2023) A computer store sells computers and printers

02:49

[LOGICAL REASONING] (IDECAN – 2023) Consider a family group in which all direct descendants

02:47

[MATHEMATICS] (IDECAN – 2023) In a given municipality, 90 professionals work as Agents

02:38

[MATHEMATICS] (IDECAN – 2023) In a project to develop a reality application

03:37

[LOGICAL REASONING] (IDECAN – 2023) Around a square table, four people are meeting...

03:35

[MATHEMATICS] (IDECAN – 2023) Carlos bought a piece of land that is shaped like a rectangle

02:14

[MATHEMATICS] (IDECAN – 2024) The number of anagrams that we can write with the word FAN

02:26

[LOGICAL REASONING] (IDECAN – 2024) Consider the true statement: “It is false that every cat...

02:15

[MATHEMATICS] (IDECAN – 2024) The product of the roots of the quadratic function f(x) = x^2 + 3x ...

03:44

[LOGICAL REASONING] (IDECAN – 2024) In a chess tournament, each participant plays once

03:33

[LOGICAL REASONING] (IDECAN – 2024) João is twice as old as Ana.

04:24

[LOGICAL REASONING] (IDECAN - 2024) A family meeting was organized by 7 couples.

04:34

[LOGICAL REASONING] (IDECAN – 2024) The sum of Paula and Joana’s ages currently results in 89 years

07:04

[LOGICAL REASONING] (IDECAN – 2024) A group is organizing to carry out a solidarity action

03:13

[LOGICAL REASONING] (IDECAN – 2024) A cargo truck took three days to reach its destination

03:38

[LOGICAL REASONING] (IDECAN – 2024) If “some scientists are agnostic”

02:16

[LOGICAL REASONING] (IDECAN – 2024) Knowing that the Brazilian alphabet contains 26 letters

02:30

[LOGICAL REASONING] (IDECAN – 2024) Ana wrote the following sequence − 4, − 1, 4, 11, X.

02:46

[LOGICAL REASONING] (IDECAN – 2024) Considering that the sum of three consecutive numbers is equa...

04:22

[LOGICAL REASONING] (IDECAN – 2024) It is known that a rectangle with a perimeter equal to 148 cm

03:51

[LOGICAL REASONING] (IDECAN – 2024) Maria, João and José, together, raised a total of R$ 1,200

02:32

[LOGICAL REASONING] (IDECAN – 2024) Analyze the numerical sequence 101, 141, 121, 191, X, 241, 161

03:50

[LOGICAL REASONING] (IDECAN – 2024) Laura made a payment equivalent to 35% of 3/5

03:02

[LOGICAL REASONING] (IDECAN – 2024) Ruth prepared a special reception for her son

03:16

[LOGICAL REASONING] (IDECAN – 2024) In a fashion show, there were forty models wearing shirts and...

02:27

[LOGICAL REASONING] (IDECAN – 2024) Let the sets A = {0, 1, 2, 3, 4, 5}

03:06

[LOGICAL REASONING] (IDECAN – 2024) Paula bought a pair of sneakers that cost twice as much

02:45

[LOGICAL REASONING] (IDECAN – 2024) Two boxes in the shape of a rectangular block have the following

03:34

[LOGICAL REASONING] (IDECAN – 2024) In the numerical sequence we have: (8; 1.6; 0.32;). The fifth...

03:26

[LOGICAL REASONING] (IDECAN – 2024) The positive integers A, B, and C are ordered so

05:47

[LOGICAL REASONING] (IDECAN – 2024) Bruno has an RPG die shaped like a dodecahedron

02:39

[MATHEMATICS] (Objetiva Concursos – 2025) The average of 6 numbers is 24. If five of these number...

03:29

[MATHEMATICS] (Objetiva Concursos – 2025) During a school trip to a museum

03:49

[MATHEMATICS] (Objetiva Concursos – 2025) In a shoe store, sneakers were sold for R$80.00

02:57

[MATHEMATICS] (Objetiva Concursos – 2025) In an arithmetic progression, the fifth term is 43

05:43

[MATHEMATICS] (Objetiva Concursos – 2025) In an arithmetic progression, the third term is 22

01:57

[MATHEMATICS] (Objetiva Concursos – 2025) In an urn with 10 balls (4 red, 3 blue and 3 green)

03:28

[MATHEMATICS] (Objetiva Concursos – 2025) The price of a car was reduced twice in a row

02:14

[MATHEMATICS] (Objetiva Concursos – 2025) Tiago and Henrique are flipping a coin.

03:44

[MATHEMATICS] (Objetiva Concursos – 2025) A student needs to obtain an average of 7 to pass

02:05

[MATHEMATICS] (Objetiva Concursos – 2025) A teacher buys 5 packs of sheets of paper for R$30

03:08

[MATHEMATICS] (Objetiva Concursos – 2025) A rectangular plot of land is 20 meters wide and 30 met...

02:33

[MATHEMATICS] (Objetiva Concursos – 2025) In a company, the ratio between a manager’s salary

02:21

[MATHEMATICS] (Objetiva Concursos – 2025) How many anagrams does the word KEYBOARD have?