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Reasoning - Logical Reasoning:

Logical Reasoning

MCQ - 148-8100

In an in vitro study, 160 white cats were injected with Salt X. 160 other white cats were injected with placebo. In two weeks, 39% of the white cats, who were injected with Salt X showed symptoms of Kay fever? Hence, it can be concluded that Kay fever is caused by some elements similar to the elements in Salt X.

Question:

In an in vitro study, 160 white cats were injected with Salt X. 160 other white cats were injected with placebo. In two weeks, 39% of the white cats, who were injected with Salt X showed symptoms of Kay fever? Hence, it can be concluded that Kay fever is caused by some elements similar to the elements in Salt X.

Which of the following statements would most seriously weaken the above discussion?

  1. People suffering from Kay fever are the victims of the golden viper of Sindh.
  2. One among the 160 white cats had already shown symptoms of Kay fever prior to the experiment.
  3. The natural habitats of white cats do not contain any of the elements found in Salt X.
  4. One among the 160 white cats had already shown symptoms of Kay fever prior to the experiment.
  5. The scientists administered the injections being ignorant of the contents of the salt used.

Correct Answer: B

Explanation:

If any one of the cats was suffering from Kay fever prior to the injection of salt X, then there is doubt that the cats were already suffering from Kay fever or they got Kay fever by the injection of salt X. Choice A and C are out of scope of the passage. Choice D and E strengthen the argument.

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243 MCQ for effective preparation of the test of Logical Reasoning of Logical Reasoning section.

Read the MCQ statement: In an in vitro study, 160 white cats were injected with Salt X. 160 other white cats were injected with placebo. In two weeks, 39% of the white cats, .... e discussion? , keenly and apply the method you have learn through the video lessons for Logical Reasoning to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 148-8100.

How to Answer

Solve the question for MCQ No. and decide which option (A through D/E) is the best choice to answer the MCQ, then click/tap the blue button to view the correct answer and it explanation.

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