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  • Question
  • Statements: All politicians are honest. All honest are fair.

    Conclusions:

    1. Some honest are politicians.
    2. No honest is politician.
    3. Some fair are politicians.
    4. All fair are politicians.


  • Options
  • A. None follows.
  • B. Only I follows.
  • C. Only I and II follow.
  • D. Only I and III follow

  • Correct Answer
  • Only I and III follow 

    Explanation
    Clearly, it follows that 'All politicians are fair'. I is the converse of the first premise, while III is the converse of the above conclusion. So, both I and III hold.

  • Logical Deduction problems


    Search Results


    • 1. Statements: All aeroplanes are trains. Some trains are chairs.

      Conclusions:

      1. Some aeroplanes are chairs.
      2. Some chairs are aeroplanes.
      3. Some chairs are trains.
      4. Some trains are aeroplanes.


    • Options
    • A. None follows
    • B. Only I and II follow
    • C. Only II and III follow
    • D. Only III and IV follow
    • Discuss
    • 2. Statements: Some bags are pockets. No pocket is a pouch.

      Conclusions:

      1. No bag is a pouch.
      2. Some bags are not pouches.
      3. Some pockets are bags.
      4. No pocket is a bag,


    • Options
    • A. None follows
    • B. Only I and III follow
    • C. Only II and III follow
    • D. Only either I or IV follows
    • E. All follow
    • Discuss
    • 3. Statements: All branches are flowers. All flowers are leaves.

      Conclusions:

      1. All branches are leaves.
      2. All leaves are branches.
      3. All flowers are branches.
      4. Some leaves are branches.


    • Options
    • A. None follows
    • B. Only I and IV follow
    • C. Only II and III follow
    • D. All follow
    • Discuss
    • 4. Statements: India's economy is depending mainly on forests.

      Conclusions:

      1. Trees should be preserved to improve Indian economy.
      2. India wants only maintenance of forests to improve economic conditions.


    • 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
    • 5. Statements: Company X has a record of manufacturing cameras of quality and the latest design so that you do not spoil even a single shot irrespective of the weather conditions.

      Conclusions:

      1. No other company except X is reputed in the camera industry.
      2. Anyone can take an acceptable shot with camera X.


    • 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. Statements: Some clothes are marbles. Some marbles are bags.

      Conclusions:

      1. No cloth is a bag.
      2. All marbles are bags.
      3. Some bags are clothes.
      4. No marble is a cloth.


    • Options
    • A. Only either I or IV follows
    • B. Only either I or II follows
    • C. None follows
    • D. Only either I or III follows
    • Discuss
    • 7. 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
    • 8. Statements: All terrorists are guilty. All terrorists are criminals.

      Conclusions:

      1. Either all criminals are guilty or all guilty are criminals.
      2. Some guilty persons are criminals.
      3. Generally criminals are guilty.
      4. Crime and guilt go together.


    • Options
    • A. Only I follows
    • B. Only I and III follow
    • C. Only II follows
    • D. Only II and IV follow
    • Discuss
    • 9. Statements: Some books are pens. No pen is pencil.

      Conclusions:

      1. Some pens are books.
      2. Some pencils are books.
      3. Some books are not pencils.
      4. All pencils are books.


    • Options
    • A. Only I follows
    • B. Only II and III follow
    • C. Only I and III follow
    • D. Only I and II follow
    • Discuss
    • 10. Statements: Some bottles are drinks. All drinks are cups.

      Conclusions:

      1. Some bottles are cups.
      2. Some cups are drinks.
      3. All drinks are bottles.
      4. All cups are drinks.


    • Options
    • A. Only I and II follow
    • B. Only II and III follow
    • C. Only II and IV follow
    • D. Only III and IV follow
    • E. Only I and IV follow
    • Discuss


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