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MDCAT - Practice Test - Logical Reasoning - Logical Deductions Quiz

Attempt 10 MCQs on MDCAT - Practice Test - Logical Reasoning - Logical Deductions | Quiz 3

21. Given: Some politicians are corrupt. No corrupt person is honest. Which conclusion is valid?



22. Given: All clever people are successful. Some successful people are rich. Which of the following is NOT necessarily true?



23. Given: No cats are dogs. All dogs are mammals. Which conclusion follows?



24. If I work hard, I will succeed. If I succeed, I will be happy. Therefore, if I work hard, I will be happy. This reasoning is:



25. Given: All apples are fruits. Some fruits are sweet. Which is definitely true?



26. "Only doctors are surgeons" means all surgeons are doctors. John is a surgeon. So John is a doctor. This deduction is:



27. Given: No athletes are lazy. Some lazy people are students. Which conclusion follows?



28. Given: All professors are knowledgeable. Some knowledgeable people are famous. Which must be true?



29. If a shape is a square, then it has four sides. This shape does not have four sides. Therefore, it is not a square. This reasoning is:



30. Given: No reptiles are warm-blooded. All snakes are reptiles. Which conclusion is valid?



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