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Home Logical Reasoning Statement and Conclusion Comments

  • Question
  • Fact 1: All hats have brims. Fact 2: There are black hats and blue hats. Fact 3: Baseball caps are hats. If the first three statements are facts, which of the following statements must also be a fact? I. All caps have brims. II. Some baseball caps are blue. III. Baseball caps have no brims.


  • Options
  • A. I only
  • B. II only
  • C. I, II, and III
  • D. None of the statements is a fact.

  • Correct Answer
  • None of the statements is a fact. 

    Explanation

    All baseball caps have brims, since baseball caps are hats (Fact 3) and all hats have brims (Fact 1). This rules out statement III?but it doesn?t follow that all caps, a category that may include caps that are not baseball caps, have brims (statement I). Statement II cannot be confirmed, either, since it is possible, given the information, that all baseball caps are black.

  • Tags: AIEEE, Bank Exams, CAT, GATE, GRE, TOEFL, Bank Clerk, Bank PO

    Statement and Conclusion problems


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    • 1. Statements : In a recent survey report, it has been stated that those who undertake physical exercise for at least half an hour a day are less prone to have any heart ailments. Conclusions : a) Moderate level of physical exercise is necessary for leading a healthy life. b) All people who do desk-bound jobs definitely suffer from heart ailments.

    • Options
    • A. Only a follows
    • B. Both a & b follows
    • C. Only b follows
    • D. Neither a nor b follows
    • Discuss
    • 2. Gold demand has fallen in the first half due to rising prices and the trend is likely to continue in the second half. Conclusions : I. Customers are very price-sensitive II. There will be no improvement in demand in the second half

    • Options
    • A. If only conclusion I follows
    • B. If only conclusion II follows
    • C. If neither I nor II follows
    • D. If both I and II follow
    • Discuss
    • 3. All flowers are toys. Some toys are trees. Some angels are trees Conclusions: 1. Some angels are toys 2. Some trees are flowers 3. Some flowers are angels

    • Options
    • A. None follows
    • B. Only 1 follows
    • C. Only 2 follows
    • D. Only 1 and 3 follow
    • Discuss
    • 4. In the following question, two equations numbered 1 and 2 are given. You have to solve both the equations and determine the relation between a and b. 1. 5a2-18a+9=0 2. 3b2+5b-2=0

    • Options
    • A. a >= b
    • B. a <= b
    • C. a < b
    • D. a > b
    • Discuss
    • 5. Looking for a job is difficult enough, the task becomes impossible if you do not have the skill of being pleasant, polite and polished. Conclusions : I. A person who has social etiquetteis eligible for any job II. Many candidates no matter how excellently qualified are likely to fail to get the jobs they are going to try for because of their manners.

    • Options
    • A. If only conclusion I follows
    • B. If only conclusion II follows
    • C. If neither I nor II follows
    • D. If both I and II follow
    • Discuss
    • 6. Statement : The byproducts obtained from animals such as hairs, skins, horns, etc. contain at least 45 per cent food protein. Indian scientists have developed methods to segregate 50 per cent of this protein. They have used an enzyme developed in Russia for destruction of soya-proteins. Conclusions: A. Indian scientists cannot develop enzymes. B. If a suitable method involving less cost is developed then many more food protein would be obtained.

    • Options
    • A. Only A follows
    • B. Only B follows
    • C. Neither A nor B follows
    • D. Both A & B follows
    • Discuss
    • 7. How long will it take for two pipes A and B to fill an empty cistern if they worked alternately for an hour each ? A. Working alone, Pipe A can fill the cistern in 40 hours B. Pipe B is one third as efficient as Pipe A

    • Options
    • A. Only A is sufficient
    • B. Only B is sufficient
    • C. Both (A) and (B) are sufficient
    • D. None
    • Discuss
    • 8. What is the value of KL ? Statement A: K2 = 4. Statement B: L = 0.

    • Options
    • A. Only A is sufficient
    • B. Only B is sufficient
    • C. Both (A) and (B) are sufficient
    • D. None of the above
    • Discuss
    • 9. Read both the statements given below and answer the question. Q : Which train did Harish catch to go to office ? Statements : A. Harish missed his usual train of 4.15 p.m. A train comes in every 15 minutes. B. Harish did not catch the 4.45 p.m. train or any train after that time.

    • Options
    • A. If statement B alone is sufficient but statement A alone is not sufficient.
    • B. If statement A alone is sufficient but statement B alone is not sufficient.
    • C. If both statement together are sufficient, but neither statement alone is sufficient.
    • D. If statement A and B together are not sufficient.
    • Discuss
    • 10. Assuming the given statements to be true, find which of the two conclusions A and B given below is/are definitely true. Statements: C < T < L= P > Q, N > C > Y Conclusions: A. P > Y B. Y < P

    • Options
    • A. only conclusion B is true.
    • B. only conclusion A is true.
    • C. neither conclusion I nor II is true.
    • D. either conclusion I or II is true.
    • Discuss


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