Curso completo de Raciocínio Lógico para Concursos Públicos 2019 Aula 14

Summary

The video script is an educational lesson focused on logical sequences, particularly related to the 'Fundação Carlos Chagas' exam. It explores various patterns in number sequences, such as doubling and adding specific numbers, and also includes sequences with letters and numbers. The instructor guides viewers through solving complex problems, encouraging them to practice and develop intuition to quickly arrive at solutions. The lesson also touches on the inclusion of certain letters in the alphabet for sequences, emphasizing the importance of understanding the underlying logic for problem-solving.

Takeaways

• 📚 The video is a continuation of a lesson on logical sequences, focusing on exercises related to the Carlos Chagas Foundation.
• 🔢 The instructor discusses a specific sequence involving fractions and numbers, suggesting a pattern of repetition and doubling to find the 6th term.
• 🤔 The importance of logical reasoning is emphasized for solving the sequence problems, as well as recognizing patterns such as doubling and adding specific numbers.
• 📈 The video mentions a sequence where terms are obtained by adding or multiplying by certain factors, followed by halving or other operations to find the next terms.
• 📝 There is a challenge to find the sum of the 10th and 12th terms of a given sequence, which requires identifying the formation rule and applying it correctly.
• 🧐 The script suggests that one must experiment with different logical approaches to solve the sequence problems, including adding, multiplying, and dividing.
• 🌐 The video touches on the alphabet and sequences where letters and numbers are interwoven, with certain letters excluded based on specific criteria.
• 📑 The presenter provides a method to determine the letter that precedes a given number in a sequence, using the position of the letter in the alphabet.
• 📉 The script includes a puzzle about letters being removed from lines following an alphabetical order, with the next letter to be removed being identified.
• 📚 The video encourages viewers to practice solving the exercises on their own before checking the solutions, to improve their problem-solving skills.
• 💪 The closing message is one of encouragement and the wish for strength to always be with the viewers.

Q & A

What is the main topic of the video script?

The main topic of the video script is about logical sequences, specifically focusing on exercises related to the Carlos Chagas Foundation's questions and the identification of patterns in numerical sequences.

What is the significance of the number 6 in the script's context?

The number 6 in the script refers to the 6th term in a sequence of irreducible fractions, which is part of the exercise from the Carlos Chagas Foundation.

What is the pattern identified in the numerical sequence 3377 1515 3131?

The pattern identified in the sequence is the repetition of the number 77, followed by the sequence 1515, and then 3131, suggesting a possible repetition or a specific rule governing the sequence.

How is the term 'a + b' related to the concept of 'social bomb' in the script?

The term 'a + b' is metaphorically referred to as a 'social bomb' to illustrate the impact of correctly identifying the pattern in the sequence, which is a key part of solving the exercise.

What is the method used to find the 10th and 12th terms of the sequence 258 4 8 12 6 11 16?

The method involves identifying a pattern of addition and division within the sequence, with the numbers doubling and then halving at certain points, to predict the 10th and 12th terms.

What is the sum of the 10th and 12th terms in the sequence 258 4 8 12 6 11 16?

The sum of the 10th and 12th terms is 28, based on the identified pattern and the method used to find these terms.

What is the significance of the number 127 in the script?

The number 127 is identified as a term in the sequence that follows a pattern of doubling the previous term and then adding 1, which is part of the exercise's logic.

What is the rule for the sequence where each term is composed of a letter followed by a number?

The rule for this sequence is that each term consists of a letter from the alphabet followed by a number, with certain letters excluded based on a specific criterion.

Which letter should precede the number 12 in the sequence with letters and numbers?

The letter that should precede the number 12 is the 12th letter of the alphabet, which is 'L', following the rule of exclusion of certain letters.

What is the logic behind the sequence of letters being removed in the diagram provided in the script?

The logic behind the sequence of letters being removed is based on their alphabetical order, with the smallest letter in the remaining set being removed first.

What is the next letter to be removed according to the logic presented in the script?

The next letter to be removed, following the alphabetical order logic, is the letter 'K'.