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No students are lazy. Some lazy people are not successful. Therefore, some stude

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Question: No students are lazy. Some lazy people are not successful. Therefore, some students are successful. Is this conclusion valid?

Options:

  1. Yes
  2. No
  3. Only if all students are hardworking
  4. Only if some lazy people are students

Correct Answer: Yes

Solution: 

The conclusion is valid because if no students are lazy, then it follows that they cannot be among those who are not successful.

No students are lazy. Some lazy people are not successful. Therefore, some stude

Practice Questions

Q1
No students are lazy. Some lazy people are not successful. Therefore, some students are successful. Is this conclusion valid?
  1. Yes
  2. No
  3. Only if all students are hardworking
  4. Only if some lazy people are students

Questions & Step-by-Step Solutions

No students are lazy. Some lazy people are not successful. Therefore, some students are successful. Is this conclusion valid?
  • Logical Reasoning – The question tests the ability to analyze logical statements and deduce valid conclusions from premises.
  • Syllogism – The question involves understanding syllogistic reasoning, where conclusions are drawn from two or more premises.
  • Negation and Affirmation – The question requires understanding the implications of negating statements and affirming others.
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