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Logical Reasoning :: Critical Resoning

  1. Studies last year concluded coffee drinking had little, if any, effect on the risk of pancreatic or kidney cancer. A study of 59,000 women in Sweden found no link between caffeine and kidney cancer. Another review suggested that those who drink coffee have half the risk of pancreatic cancer.
    Which of the following statements, if true, would weaken the conclusion drawn above?
  2. A.
    The study is done in cold countries only, countries in arid and semi-arid regions are not considered under this study.
    B.
    Indians drink more coffee than the Swedish do.
    C.
    The caffeine content is different in different varieties of coffee.
    D.
    Intake of 15 ml to 30 mi of milk per day offsets the negative effects of caffeine. The study did not consider the milk intake.
    E.
    None of these

  3. The cause of corruption in medical education is shortage of seats, and fewer doctors than required for the population and even fewer specialists.
    Which of the following can be inferred from the above?
  4. A.
    Students pay bribes to the management of institutions to avail seats.
    B.
    The criteria to select students to fill medical seats are flexible.
    C.
    There is a set standard regarding the doctors to population ratio.
    D.
    Most of the doctors are general physicians.
    E.
    None of these

  5. When the tourist boat capsized, the crime branch arrested the forest department's ticket collector, Prakashan, based on the allegation that he did not check the tickets properly. But could Prakashan, who works on daily wages be the real culprit? 
    Which of the following is not what the passage is intended to indicate?
  6. A.
    Prakashan may not be the real culprit.
    B.
    Prakashan has not checked the tickets properly.
    C.
    Prakashan may not be the main person behind the mishap.
    D.
    The police have behaved irresponsibly.
    E.
    None of these

  7. We, at Comfort Stationers, have always been striving to provide stationery items that would make your work more enjoyable and less strenuous. Our latest innovations are a smooth-flow pen and gradual-friction paper. A combination of these two reduces strain on your fingers and allows faster writing the causes lesser fatigue. Therefore, replacement of your pen and paper with our innovative products reduces cost of clerical jobs.
    Which of the following, if true, would weaken the conclusion drawn in the above argument?
  8. A.
    Those who are already using the above new products report greater difficulty in transition from new products to regular ones than from the regular ones to the new ones.
    B.
    The cost of manufacturing these new products is not more than the cost of manufacturing the regular ones and the new products last longer than the regular ones.
    C.
    The number of offices using the new products is increasing month by month.
    D.
    These products need to be purchased in huge lots and need to be stored in special conditions. The cost of procurement and strong is quite high.
    E.
    It is found that children get adapted to the new products faster than grown ups.

  9. A study revealed that a major part of the accidents involving two wheelers takes place when they are being driven at speeds above 50 km.hr. It is also observed that the two wheelers are driven at this speed mostly on roads having scanty traffic.
    Which of the following can be concluded from the given paragraph?
  10. A.
    Accidents do not take place because of heavy traffic.
    B.
    It is not possible to drive two wheelers at speeds above 50 km/hr on the roads having heavy traffic.
    C.
    Two wheelers drivers tend to become reckless while driving on roads having scanty traffic.
    D.
    Most of the accidents involving two wheelers take place on roads having scanty traffic.
    E.
    Accidents involving four wheelers also take place at speeds above 50 km/hr.

  11. The Supreme Court in its land mark judgement gave women the right to terminate their pregnancy as a constitutional right.
    Which of the following, if true, can go against the Supreme Court's judgement?
  12. A.
    In several other countries abortion is illegal.
    B.
    An unborn child should be treated as a person and every person has a fundamental right to live.
    C.
    The elected representatives of one of the states rejected the proposal to make abortion illegal in a 30-70 vote.
    D.
    If a foetus can be treated as a person, an enbryo from which the foetus is formed should also be treated as a person.
    E.
    None of these

  13. A salesman of cable TV, while trying to sell his product, was explaining to a perspective customer. "Free TV channels are not really free. You end up paying heavily for the costly advertisements that support free TV channels."
    Which of the following, if true, goes against the statement of the salesman?
  14. A.
    Consumers who do not own a TV are the ones who spend less on purchase as compared to those who own a TV.
    B.
    At places where the reception of signals is very weak, cable TV will be able to provide a better picture quality.
    C.
    Cable TV channels also have as many advertisements as free TV channels.
    D.
    Those who subscribe to cable TV channels also get access to some free TV channels.
    E.
    None of these

  15. The board of directors of C & C, a commercial training institute, are split over whether to continue with NDF course because the government has instructed all the government approved colleges to take admissions based on the scores obtained by the candidates in the new KJB test.
    Which of the following, if true, would strengthen the case for continuing with NDF course?
  16. A.
    KJB test is on the similar lines as NDF.
    B.
    NDF is tougher than KDF, hence those who prepare for KJB will be able to face NDF easily.
    C.
    There are many private colleges which are preferred by students to government colleges.Which still want to take admissions based on the some obtained in NDF.
    D.
    The government colleges have better infrastructure than the private colleges.
    E.
    None of these

  17. The Suplora, a kind of fish which is found in northern rivers, inadvertently introduced into the Southern rivers, feed on Tharanga, the species which flourish in southern rivers, the threatening the natural ecosystem of the southern rivers. To find out the extent of Suplora's spread, the fisheries department has produced a pocket size card containing a photo of Suplora and the danger posed by it. The card also gave the telephone number of the fisheries department asking the fishermen and anglers to report if they caught any Suplora.
    Which of the following, if true, provides most support to the prediction of the fisheries department that their action will produce the desired result?
  18. A.
    The Suplora does not get attracted to the bait used by the local fishermen and anglers.
    B.
    Most of the fishermen and the anglers like to preserve the flora and fauna of the southern rivers because Tharanga is very much in demand locally.
    C.
    Earlier attempts to market Suplora in south fields as not many people liked the taste of Suplora.
    D.
    Suplora generally feeds in the night while the fishing is done in the day.
    E.
    When Suplora was introduced in a lake in the eastern sates on experimental basis it lead to extinction of local population.

  19. Many people are of the opinion that physical exercise should be made mandatory for employees to improve their efficiency at workplace.
    Which of the following supports the opinion expressed in the above statement?
  20. A.
    It is found that work environment is a better motivating factor than monetory benefits.
    B.
    Even for the most able sportsperson, physical exercise is an essential part of practice session.
    C.
    Children who do physical exercise show better academic performance than the ones who do not.
    D.
    The chances of occurrences of mistakes increases if an employee is subjected to the same work for more than six months.
    E.
    None of these