Curso completo de Raciocínio Lógico para Concursos Públicos 2013 Aula 13

Mari Concursos

1 Jul 201319:20

Summary

TLDRThe video script discusses a series of logical sequence exercises from the Carlos Chagas Foundation, aimed at sharpening analytical skills. It covers various patterns, including geometric shapes, clock-like figures, and weekly swimming routines, to identify cycles and predict outcomes. The presenter also solves a trick question about the return date of travelers, emphasizing the importance of careful reading and logical reasoning to arrive at the correct answer.

Takeaways

😀 The video is a lesson focused on logical sequences and pattern recognition in a series of exercises, primarily from the Fundação Carlos Chagas (FCC).
🔍 The first exercise involves recognizing a pattern in a sequence of shapes and predicting the 100th figure in the sequence, which is a painted hexagon based on the established cycle.
📚 The second exercise is about identifying the position of a figure in a sequence that is cyclical, similar to a clock, with the 13th figure being the same as the first.
🤔 The third exercise asks to find a missing figure in a sequence of figures drawn in lines, following the same construction pattern, with the missing figure having a rectangular head and a downward arm.
🏊 The fourth exercise is about calculating the day of the week on which José will swim for the 100th time, given a pattern of swimming every four days starting on a Saturday, which turns out to be a Wednesday.
🗓️ The fifth exercise involves a tricky word problem about the days before and after 'tomorrow', with Regina and Roberto returning three days before the day after 'the day before tomorrow', which is a Sunday.
🔢 The video emphasizes the importance of understanding cycles and patterns in sequences to solve the exercises, which is a common theme in FCC's exams.
📉 The presenter uses a step-by-step approach to solve each problem, breaking down the complexity into manageable parts and explaining the logic behind each step.
📈 The video aims to help viewers practice and improve their skills in pattern recognition and logical reasoning, which are crucial for exams like those from the FCC.
👨‍🏫 The instructor provides two different methods to solve the second exercise, showcasing versatility in problem-solving approaches.
📝 The script is a transcript of an educational video, likely aimed at students preparing for entrance exams or similar assessments.

Q & A

What is the main topic of the video script?
-The main topic of the video script is about solving logical sequence puzzles, specifically focusing on patterns in shapes and figures, as part of a class or lecture.
What is the first type of sequence discussed in the script?
-The first type of sequence discussed is a pattern of figures that includes a square, ball, triangle, cross, and hexagon, which repeats every five figures.
How is the color pattern of the figures determined in the sequence?
-The color pattern of the figures is determined by a cycle of four, with the figures being white, striped, and painted in a repeating order, and multiples of four being painted.
What is the 100th figure in the sequence according to the script?
-The 100th figure in the sequence is a painted hexagon, as it is a multiple of 100, which is a multiple of 4, and thus follows the pattern of being painted.
What is the second type of sequence that involves figures resembling a clock?
-The second type of sequence involves figures that resemble a clock with pointers, where the position of the pointers changes in a cyclical pattern, similar to the hours on a clock.
How is the position of the next figure in the clock-like sequence determined?
-The position of the next figure in the clock-like sequence is determined by the pattern where the 'pointer' moves as if it were the hour hand on a clock, advancing one hour for each figure.
What is the answer to the question about the position of the figure that will be the same as the first one?
-The 13th figure will be the same as the first one, as the sequence is cyclical with a cycle of 12 figures, and the 13th figure completes the cycle and starts it anew.
What is the third type of sequence discussed in the script?
-The third type of sequence involves figures drawn with a construction pattern that includes elements like a triangle head, ball head, and square head, along with different arm and leg positions.
How is the missing figure in the construction pattern determined?
-The missing figure in the construction pattern is determined by identifying the pattern of elements in the lines above and below the missing figure, and then choosing the figure that completes the pattern.
What is the fourth question in the script about José's swimming routine?
-The fourth question is about determining the day of the week when José will go swimming for the 100th time, given that he swims every four days starting on a Saturday.
How can you determine the day of the week for José's 100th swimming session?
-You can determine the day of the week for José's 100th swimming session by dividing 100 by the cycle of 7 days in a week, which gives you 14 complete cycles with 2 days remaining, indicating that the 100th session will be on a Wednesday.
What is the fifth question in the script about Regina and Roberto's travel?
-The fifth question is about determining the day Regina and Roberto returned from their trip, given that they returned three days before the day after the day before tomorrow, and today is Tuesday.
How can you find out the day Regina and Roberto returned?
-You can find out the day Regina and Roberto returned by first identifying that 'the day before tomorrow' is Wednesday, making 'three days before Wednesday' as Sunday.

Outlines

00:00

🔍 Logical Sequences in Shape Patterns

The paragraph introduces a series of logic-based exercises from the Carlos Chagas Foundation, focusing on identifying patterns in sequences of shapes. The first exercise involves recognizing a repeating cycle of five shapes and determining the next shape in the sequence, as well as the 100th shape, which is a hexagon. The speaker explains that understanding the pattern is key to solving the problem and provides a method to determine the color and pattern of the 100th shape, concluding that it is a painted hexagon.

05:01

🕒 Clockwise Figurine Positioning

This section discusses a cyclical pattern in the positioning of figurines resembling clock hands. The speaker presents two methods to solve the problem: one by directly observing the progression of the 'hour hand' and the other by considering the number of ways to arrange the figurines in four sectors, leading to a cycle of 12 different figurines. Both methods conclude that the 13th figurine will be the same as the first, illustrating a cyclical repetition.

10:03

🏊‍♂️ José's Swimming Schedule Cycle

The paragraph explores a cyclical pattern in José's swimming routine, which he follows every four days, starting on a Saturday. The speaker calculates which day of the week José will be swimming on his 100th visit by dividing the total number of visits into complete cycles of seven days and determining the remainder. The conclusion is that José's 100th swim falls on a Wednesday, after completing 14 full cycles and swimming two more times on a Saturday and Wednesday.

15:05

🗓️ Regina and Roberto's Return Date Conundrum

The final paragraph presents a time-based logic puzzle involving Regina and Roberto's return from a trip. They returned three days before the day after 'the day before tomorrow.' The speaker clarifies the timeline by establishing 'the day before tomorrow' as today, making today a Tuesday. Following this logic, the speaker deduces that they returned on the previous Sunday, three days before the upcoming Wednesday.

Mindmap

Keywords

💡Sequences

Sequences refer to a series of items or events arranged in a particular order. In the video, sequences are used in the context of logical patterns within a series of shapes or figures. The script discusses how to identify the logic behind these sequences to predict the next figure or the figure in a specific position, such as the 100th figure in a sequence of geometric shapes.

💡Cyclic Pattern

A cyclic pattern is a recurring sequence of events or items that repeat in a regular order. The video explains how to recognize a cycle of five figures repeating in a sequence to predict future figures. For example, the script mentions that after every five figures, a hexagon appears, indicating a cyclical pattern.

💡Logical Exercises

Logical exercises are tasks designed to train and test one's ability to reason and solve problems based on given patterns or rules. The video script introduces a series of exercises from the Fundação Carlos Chagas that involve identifying patterns in sequences of figures to improve logical reasoning skills.

💡Fundação Carlos Chagas

Fundação Carlos Chagas is mentioned in the script as the source of the logical exercises. It is likely an educational institution or publisher known for creating content that helps in revising and practicing logical reasoning through problem-solving exercises.

💡Geometric Shapes

Geometric shapes are the primary elements in the sequences discussed in the video. The script describes a sequence involving squares, circles, triangles, crosses, and hexagons, and the task is to understand the logic behind their arrangement to predict subsequent shapes.

💡Repetition

Repetition in this context refers to the recurrence of elements or patterns within a sequence. The video script uses the concept of repetition to explain how identifying repeated cycles can help in solving the exercises, such as recognizing when a figure will reappear in the sequence.

💡Multiples

Multiples are numbers that can be divided by another number without leaving a remainder. In the script, the concept of multiples is used to determine the position of a figure in a sequence, such as identifying that the 100th figure will be a hexagon because 100 is a multiple of the cycle length.

💡Filling

Filling in the context of the video refers to the pattern of how figures are filled or colored within a sequence. The script describes a pattern of filling where figures alternate between being white, striped, and painted, and this pattern helps in predicting the appearance of the 100th figure.

💡Clockwise Position

Clockwise position is used in the script to describe the arrangement of figures that resemble clock hands. The task involves determining the position of the next figure in the sequence based on the rotation of the 'hands' in a clockwise direction, akin to reading time on a clock.

💡Days of the Week

Days of the week are used in the script to create a sequence based on the days when an individual swims. The video discusses predicting which day of the week it will be after a certain number of swimming sessions, using the pattern of swimming every four days starting on a Saturday.

💡Cycles

Cycles in the video refer to the complete sets of patterns that repeat over time. The script explains how to determine the day of the week for the 100th swimming session by identifying the number of complete cycles of seven days and the remaining days beyond those cycles.

Highlights

Introduction to a special session focusing on exercises from the Carlos Chagas Foundation with legal questions.

The exercises are divided by organizer and aim to review content through problem resolutions.

The first part of the lesson is about logical sequences with an example problem from the Carlos Chagas Foundation.

Understanding the logic of a sequence of figures to predict the next and the hundredth figure in the sequence.

Identifying a cycle of repetition in the sequence of figures to solve for the hundredth figure.

Explanation of how to determine if the hundredth figure is white, striped, or painted based on the cycle.

Approach to solving a sequence of figures positioned like a clock to find the next figure that matches the first.

Two different methods to determine the position of the next figure in a cyclical pattern.

Using the concept of sectors to solve for the 13th figure in a sequence, which matches the first figure.

A question about a pattern of construction in figures to determine which figure replaces a question mark.

Identifying the missing figure by recognizing patterns of head shapes, limbs, and body parts in a sequence.

Jose's swimming routine and the calculation of the day of the week for his hundredth swimming session.

Understanding the cyclical nature of Jose's swimming schedule to determine the day of the week for specific sessions.

A tricky question about the day Regina and Roberto returned, involving the concept of 'the day before yesterday' and 'the day after tomorrow'.

Solving the puzzle by working from the inside out to determine the day of the week Regina and Roberto returned.

Conclusion and encouragement for the audience to succeed and look forward to the next lesson.