Logical and Mathematical Reasoning Quiz

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Questions and Answers

Based on the height arrangement of Adrian, Bob, Carlos, Danny, and Ethan, which statement must be true?

  • Ethan must be taller than Carlos. (correct)
  • Danny must be the second shortest.
  • Bob must be shorter than Adrian.
  • Carlos must be the shortest.

If it is true that whoever ate the whole box of donuts must have been hungry, which conclusion must also be true?

  • Alex said he didn't eat the donuts, and he usually tells the truth, so it was not him.
  • Alex was hungry, so he must have eaten the whole box of donuts. (correct)
  • Although Alex eats lots of junk food, he wasn't hungry, so it was not him.
  • Since Alex usually eats junk food, he definitely ate the donuts.

Whose reasoning about becoming a successful lawyer is correct?

  • Neither Jacob nor Hayden has valid reasoning.
  • Both Jacob and Hayden are correct in their statements.
  • Jacob's reasoning is correct because skills alone do not guarantee success. (correct)
  • Hayden's reasoning is correct as he believes his skills will lead to success.

In the height arrangement question, if Bob is the second tallest, what can be inferred about Adrian's height?

<p>Adrian could be taller than Carlos. (B)</p> Signup and view all the answers

If the class average needs to be above 7 with six students' scores available, what is the total score required by all students combined?

<p>Over 42 (B)</p> Signup and view all the answers

Which of the following statements about success as a lawyer is correct based on the discussion?

<p>Having skills is beneficial but not sufficient for success. (C)</p> Signup and view all the answers

If Carlos is standing to the left of Bob, what can be inferred about their heights?

<p>Bob is taller than Carlos. (D)</p> Signup and view all the answers

What is the probability that Mary rolls a 3 on her third roll after rolling it twice?

<p>1/6 (B)</p> Signup and view all the answers

If Pam can eat 500 calories for dinner, how many slices of garlic bread can she consume?

<p>7 (B)</p> Signup and view all the answers

What logical fallacy does Jane's reasoning about luck represent?

<p>Gambler's Fallacy (C)</p> Signup and view all the answers

How much total fat is in 10 slices of garlic bread if each slice has 30 g of fat?

<p>300 g (B)</p> Signup and view all the answers

What is the main error in Gemma's reasoning regarding Mary's rolls?

<p>She misunderstands the nature of independent events. (D)</p> Signup and view all the answers

If Mary rolls a die six times, what is the expected number of times she rolls a 3?

<p>1 (B)</p> Signup and view all the answers

What is the total amount of carbohydrates in one roll of cheesy garlic bread based on the nutritional information?

<p>71.3 g (D)</p> Signup and view all the answers

What is the maximum number of calories allowed per slice of garlic bread to keep the total under 500 calories?

<p>66.5 calories (C)</p> Signup and view all the answers

Flashcards

Logical reasoning

Thinking systematically to reach conclusions.

Deductive reasoning

Drawing specific conclusions from general principles.

Inductive reasoning

Making generalizations based on specific observations.

Class averages

Average score of all students in a class.

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Conditional statements

If-then statements that imply certain outcomes.

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Argument analysis

Evaluating the validity of reasoning in an argument.

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Height ordering logic

Arranging individuals based on a height-related description.

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Minimum score calculation

Determining the lowest score required for a desired outcome.

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Gambler's Fallacy

The misconception that past independent events affect future outcomes.

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Probability Basics

The study of likelihood and uncertain events, often expressed as fractions or percentages.

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Critical Thinking

The ability to evaluate arguments and ideas logically to determine their validity.

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Mathematical Reasoning

Using mathematical concepts to solve problems and understand numerical relationships.

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Nutritional Proportions

Calculating amounts based on servings and nutritional information provided.

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Positioning Problems

Challenges that involve arranging items based on given conditions or criteria.

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Averages in Math

A central value representing a set of numbers, often calculated as the sum divided by count.

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Study Notes

Logical Reasoning

  • Ordering and Positioning Problems: Practice arranging items or individuals based on multiple criteria and deducing relationships. Focus on identifying the key elements and establishing the correct order or position.
  • Necessary Conclusions: Differentiate between statements that must be true and statements that could be true. Develop the ability to identify the minimum conditions required for a conclusion to hold true, using deductive reasoning.

Mathematical Reasoning

  • Averages: Strengthen calculations involving average values. Practice finding the missing value in an average calculation, ensuring understanding of the formula and application to real-world situations (e.g., the student's average score).
  • Proportional Reasoning and Units: Review proportional reasoning techniques. Practice converting between units. Focus on representing problem information with specific units to avoid errors. Practice calculating portions based on nutritional values or quantities.

Critical Thinking

  • Evaluating Logical Statements: Analyze statements to identify logical fallacies. Practice determining the validity of conclusions by examining the assumptions and premises. Practice evaluating contradictory arguments by multiple individuals.
  • Understanding Logical Fallacies: Identify common logical fallacies and misconceptions, especially those related to probability.

Probability

  • Independent Events: Understand that past outcomes do not affect the probability of future independent trials. Revisit the concept of probability being constant for an independent event and not impacted by previous attempts.

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