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Home Logical Reasoning Statement and Conclusion Comments

  • Question
  • 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

  • Correct Answer
  • Only B is sufficient 

    Explanation

    From statement B, 

    As the value of L = 0, the value of KL = 0.

    Hence only statement B is sufficient.

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    Statement and Conclusion problems


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    • 1. 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
    • 2. 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
    • 3. 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.
    • Discuss
    • 4. 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
    • 5. 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
    • 6. 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
    • 7. 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
    • 8. As per the National Forestry Report, 1998 , India must retain a true cover of 33 per cent as against the 19 per cent at present . A budgetary allocation of Rs 850 crore is just a drop in the ocean. Conclusions: I. The forest coverage in a country should be in proportion to its popullation II. Inadequate budgetary allocation comes in the way of enhancing the forest coverage.

    • 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
    • 9. Statement 1: Elizabeth has four children. Statement 2: Two of the children have blue eyes and two of the children have brown eyes. Statement 3: Half of the children are girls. If the first three statements are facts, which of the following statements must also be a fact? a. At least one girl has blue eyes. b. Two of the children are boys. c. The boys have brown eyes.

    • Options
    • A. a only
    • B. a and b
    • C. b only
    • D. b and c
    • Discuss
    • 10. Statements : All keys are locks. All locks are bangles. All bangles are cars. Conclusion : a. Some cars are locks. b. Some bangles are keys. c. Some cars are keys.

    • Options
    • A. Only a follows
    • B. Only c follows
    • C. Only a & b follows
    • D. a, b & c follows
    • Discuss


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