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Direction: The question contains six statements labelled 1 to 6, followed by four combinations of three statements each. Choose the combination in which the third statement logically follows from…

Question and options

Direction: The question contains six statements labelled 1 to 6, followed by four combinations of three statements each. Choose the combination in which the third statement logically follows from the first two.
1. All murderers are criminals
2. Criminals live in jails
3. Not all criminals are jailed
4. Some criminals are not murderers
5. Murderers live in jails
6. Some criminals have not been apprehended
  1. 2, 3, 6
  2. 1, 2, 5
  3. 2, 1, 4
  4. 2, 5, 1

Answer and explanation

Correct answer: B - 1, 2, 5
All murderers are criminals (1) and criminals live in jails (2), so murderers live in jails (5): the combination 1, 2, 5. In 2, 3, 6 the first two statements contradict each other; in 2, 1, 4 the conclusion that some criminals are not murderers does not follow; and in 2, 5, 1 “all murderers are criminals” does not follow from statements 2 and 5.

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  • CUSAT CAT Integrated IPR Ph.D.

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