Mental Ability-Deductive Logic Questions and Answers

Mental Ability-Deductive Logic

Showing 10 of 25 questions
1. If all roses are flowers and some flowers fade quickly, which statement must be true?
  • All roses fade quickly
  • No roses fade quickly
  • Some roses may fade quickly
  • All flowers are roses
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2. If no mathematicians are artists and some artists are poets, which conclusion is valid?
  • All poets are mathematicians
  • Some poets are not mathematicians
  • No poets are mathematicians
  • All mathematicians are poets
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3. All books have pages. Some pages are torn. Therefore:
  • All books have torn pages
  • No books have torn pages
  • Some books have torn pages
  • All torn things are pages
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4. If all managers are leaders and no leaders are lazy, what must be true?
  • Some managers are lazy
  • No managers are lazy
  • All leaders are managers
  • Some lazy people are leaders
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5. Some doctors are surgeons. All surgeons are skilled. Therefore:
  • All doctors are skilled
  • No doctors are skilled
  • Some doctors are skilled
  • All skilled people are surgeons
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6. No birds are mammals. All eagles are birds. Therefore:
  • Some eagles are mammals
  • All eagles are mammals
  • No eagles are mammals
  • Some mammals are eagles
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7. If all students study hard and some who study hard get good grades, which is certain?
  • All students get good grades
  • No students get good grades
  • Some students get good grades
  • Only those who study hard are students
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8. All politicians give speeches. Some good speakers are actors. Therefore:
  • Some politicians are actors
  • No politicians are actors
  • Some actors are politicians
  • None of the above can be concluded
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9. If no scientists ignore evidence and all good researchers are scientists, then:
  • Some good researchers ignore evidence
  • No good researchers ignore evidence
  • All who ignore evidence are scientists
  • Some scientists are not good researchers
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10. Some teachers are writers. All writers are creative. Therefore:
  • All teachers are creative
  • No teachers are creative
  • Some teachers are creative
  • All creative people are teachers
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