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

  • Statements: Some spoons are bowls. All bowls are knives. All knives are forks.

    Conclusions:

    1. All spoons are forks.
    2. All bowls are forks.
    3. Some knives are bowls.
    4. Some forks are spoons.


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

  • Correct Answer
  • None of these 

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

    Some spoons are bowls. All bowls are knives.

    Since one premise is particular, the conclusion must be particular and should not contain the middle term. So, it follows that 'Some spoons are knives'.

    All bowls are knives. All knives are forks.

    Since both the premises are universal and affirmative, the conclusion must be universal affirmative and should not contain the middle term. So, it follows that.

    'All bowls are forks'. Thus, II follows.

    Some spoons are knives. All knives are forks.

    Since one premise is particular, the conclusion must be particular and should not contain the middle term.

    So, it follows that 'Some spoons are forks'. IV is the converse of this conclusion and so it follows.

    Hence, II, III and IV follow.

    More questions

    • 1. Statements: Use "Kraft" colours. They add colour to our life. - An advertisement.

      Conclusions:

      1. Catchy slogans do not attract people.
      2. People like dark colours.


    • 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
    • 2. Statement: Orissa and Andhra Pradesh have agreed in principle to set up a joint control board for better control, management and productivity of several inter-state multipurpose projects.

      Courses of Action:

      1. Other neighbouring states should set up such control boards.
      2. The proposed control board should not be allowed to function as such joint boards are always ineffective.


    • 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
    • 3. 32 29 26 23 20 17 14

    • Options
    • A. 11 8
    • B. 12 8
    • C. 11 7
    • D. 32 29
    • E. 10 9
      • Discuss
    • 4. Look at this series: 70, 71, 76, __, 81, 86, 70, 91, ... What number should fill the blank?

    • Options
    • A. 70
    • B. 71
    • C. 80
    • D. 96
      • Discuss
    • 5. Statements:

      1. The employees of the biggest bank in the country have given an indefinite strike call starting from third of the next month.
      2. The employees of the Central Government have withdrawn their week long demonstrations.


    • Options
    • A. Statement I is the cause and statement II is its effect
    • B. Statement II is the cause and statement I is its effect
    • C. Both the statements I and II are independent causes
    • D. Both the statements I and II are effects of independent causes
    • E. Both the statements I and II are effects of some common cause
      • Discuss
    • 6. 
      Fact 1: Pictures can tell a story.
      Fact 2: All storybooks have pictures.
      Fact 3: Some storybooks have words.
      If the first three statements are facts, which of the following statements must also be a fact?
      I: Pictures can tell a story better than words can.
      II: The stories in storybooks are very simple.
      III: Some storybooks have both words and pictures.

    • Options
    • A. I only
    • B. II only
    • C. III only
    • D. None of the statements is a known fact.
      • Discuss
    • 7. Statements: All poles are guns. Some boats are not poles.

      Conclusions:

      1. All guns are boats.
      2. Some boats are not guns.


    • 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
    • 8. Statements: All bags are cakes. All lamps are cakes.

      Conclusions:

      1. Some lamps are bags.
      2. No lamp is bag.


    • 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
    • 9. Statement: Should a total ban be put on trapping wild animals?

      Arguments:

      1. Yes. Trappers are making a lot of money;
      2. No. Bans on hunting and trapping are not effective.


    • Options
    • A. Only argument I is strong
    • B. Only argument II is strong
    • C. Either I or II is strong
    • D. Neither I nor II is strong
    • E. Both I and II are strong
      • Discuss
    • 10. Statements: The distance of 900 km by road between Bombay and Jafra will be reduced to 280 km by sea. This will lead to a saving of Rs. 7.92 crores per annum on fuel.

      Conclusions:

      1. Transportation by sea is cheaper than that by road.
      2. Fuel must be saved to the greatest extent


    • 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

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