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Home Logical Reasoning Logical Deduction See What Others Are Saying!
  • Question
  • Statements: All trees are flowers. No flower is fruit. All branches are fruits.

    Conclusions:

    1. Some branches are trees.
    2. No fruit is tree.
    3. No tree is branch.


  • Options
  • A. None follows
  • B. Only either I or III follows
  • C. Only II follows
  • D. Only either I or III, and II follow
  • E. None of these

  • Correct Answer
  • None of these 

    Explanation
    All trees are flowers. No flower is fruit.

    Since both the premises are universal and one premise is negative, the conclusion must be universal negative (E-type) and should not contain the middle term. So, it follows that 'No tree is fruit'. II is the converse of this conclusion and so it follows.

    All branches are fruits. No flower is fruit.

    Since both the premises are universal and one premise is negative, the conclusion must be universal negative (E-type) and should not contain the middle term. So, it follows that 'No branch is flower'.

    All trees are flowers. No branch is tree.

    As discussed above, it follows that 'No tree is branch'. So, III follows.

    Hence, both II and III follow.


    More questions

    • 1. B2CD, _____, BCD4, B5CD, BC6D

    • Options
    • A. B2C2D
    • B. BC3D
    • C. B2C3D
    • D. BCD7
    • Discuss
    • 2. Statement: "You should not grant him leave in this week due to exigency of work." - A supervisor advises the administrative officer.

      Assumptions:

      1. Request for leave can be turned down also.
      2. The supervisor has reviewed the work required to be done during the said period.


    • 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. Statements: In a one day cricket match, the total runs made by a team were 200. Out of these 160 runs were made by spinners.

      Conclusions:

      1. 80% of the team consists of spinners.
      2. The opening batsmen were spinners.


    • 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
    • 4. Statement: "This drink can be had either as it is, or after adding ice to it." - An advertisement.

      Assumptions:

      1. People differ in their preferences.
      2. Some people will get attracted to the drink as it can be had as it is.


    • 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
    • 5. Statements: Some trains are roads. No road is jungle. All flowers are jungles.

      Conclusions:

      1. Some trains are flowers.
      2. Some trains are jungles.
      3. Some flowers are trains.
      4. No road is flower.


    • Options
    • A. None follows
    • B. Only II follows
    • C. Only III follows
    • D. Only IV follows
    • E. All follow
    • Discuss
    • 6. SLAPSTICK : LAUGHTER

    • Options
    • A. fallacy : dismay
    • B. genre : mystery
    • C. satire : anger
    • D. mimicry : tears
    • E. horror : fear
    • Discuss
    • 7. Statement: Since its launching in 1981, Vayudoot has so far accumulated losses amounting to Rs 153 crore.

      Courses of Action:

      1. Vayudoot should be directed to reduce wasteful expenditure and to increase passenger fare.
      2. An amount of about Rs 300 crore should be provided to Vayudoot to make the airliner economically viable.


    • 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
    • 8. Statements: All cars are cats. All fans are cats.

      Conclusions:

      1. All cars are fans
      2. Some fans are cars.


    • 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: A large number of people in ward X of the city are diagnosed to be suffering from a fatal malaria type.

      Courses of Action:

      1. The city municipal authority should take immediate steps to carry out extensive fumigation in ward X.
      2. The people in the area should be advised to take steps to avoid mosquito bites.


    • 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
    • 10. WAITRESS : RESTAURANT

    • Options
    • A. doctor : diagnosis
    • B. actor : role
    • C. driver : truck
    • D. teacher : school
    • E. author : book
    • Discuss


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