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Home ‣ Logical Reasoning ‣ Logical Deduction See What Others Are Saying!
  • Question

  • Statements: All myths are fictions. No fiction is novel. All novels are stories.

    Conclusions:

    1. No myth is novel.
    2. Some fictions are novels.
    3. Some fictions are myths.
    4. Some myths are novels.


  • Options
  • A. Only either I or II and both III and IV follow
  • B. Only either I or IV and II follow
  • C. Only either I or IV and both II and III follow
  • D. All follow
  • E. None of these

  • Correct Answer
  • None of these 

    Explanation
    III is the converse of first premise and so it holds.

    All myths are fictions. No fiction is novel.

    Since both the premises are universal and one premise is negative, the conclusion must be universal negative and should not contain the middle term. So, it follows that 'No myth is novel'. Thus, I follows.

    No fiction is novel. All novels are stories.

    Since the middle term 'novels' is distributed twice in the premises, the conclusion must be particular. Since one premise is negative, the conclusion must be negative.

    So, it follows that 'Some stories are not fictions'.

    Hence, only I and III follow.

    More questions

    • 1. 8 12 9 13 10 14 11

    • Options
    • A. 14 11
    • B. 15 12
    • C. 8 15
    • D. 15 19
    • E. 8 5
      • Discuss
    • 2. Statement: The government has decided to hold the employers responsible for deducting tax at source for all its employees.

      Assumptions:

      1. The employers may still not arrange to deduct tax at source for its employees.
      2. The employees may not allow the employers to deduct tax at source.


    • Options
    • A. Only assumption I is implicit
    • B. Only assumption II is implicit
    • C. Either I or II is implicit
    • D. Neither I nor II is implicit
    • E. Both I and II are implicit
      • Discuss
    • 3. Statement: Mr. X, an active member of the Union, often insults his superiors in the office with his rude behaviour.

      Courses of Action:

      1. He should be transferred to some other department.
      2. The matter should be referred to the Union.


    • Options
    • A. Only I follows
    • B. Only II follows
    • C. Either I or II follows
    • D. Neither I nor II follows
    • E. Both I and II follow
      • Discuss
    • 4. Choose the picture that would go in the empty box so that the two bottom pictures are related in the same way as the top two:

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
      • Discuss
    • 5. Statements: Some dreams are nights. Some nights are days.

      Conclusions:

      1. All days are either nights or dreams.
      2. Some days are nights.


    • Options
    • A. Only conclusion I follows
    • B. Only conclusion II follows
    • C. Either I or II follows
    • D. Neither I nor II follows
    • E. Both I and II follow
      • Discuss
    • 6. Statement: Why don't you invite Anthony for the Christmas party this year?

      Assumptions:

      1. Anthony is not from the same city.
      2. Unless invited Anthony will not attend the party.


    • Options
    • A. Only assumption I is implicit
    • B. Only assumption II is implicit
    • C. Either I or II is implicit
    • D. Neither I nor II is implicit
    • E. Both I and II are implicit
      • Discuss
    • 7. Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?

    • Options
    • A. (1/3)
    • B. (1/8)
    • C. (2/8)
    • D. (1/16)
      • Discuss
    • 8. book

    • Options
    • A. fiction
    • B. pages
    • C. pictures
    • D. learning
      • Discuss
    • 9. Statements: Some tables are TVs. Some TVs are radios.

      Conclusions:

      1. Some tables are radios.
      2. Some radios are tables.
      3. All radios are TVs.
      4. All TVs are tables.


    • Options
    • A. None follows
    • B. All follow
    • C. Only I and III follow
    • D. Only II and IV follow
      • Discuss
    • 10. Statements: Some tigers are lions. Some lions are rabbits. Some rabbits are horses.

      Conclusions:

      1. Some tigers are horses.
      2. Some rabbits are tigers.
      3. Some horses are lions.
      4. All horses are rabbits.


    • Options
    • A. All follow
    • B. None follows
    • C. Only I and II follow
    • D. Only II and IV follow
    • E. Only IV follows
      • Discuss

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