The statements below are followed by two conclusions labelled I and II. Assuming that the information in the statements is true, even if it appears to be at variance with generally established facts, decide which conclusion(s) logically and definitely follow(s) from the information given in the statements.
Statements:
1.) All pupils are crows.
2.) All cats are crows.
Conclusions:
I. Some cats are pupils.
II. No cat is pupil.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Either conclusion I or conclusion II follows.
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The least possible Venn diagram is shown below:
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Conclusions: I. Some cats are pupils: False (This is possible but not definite, as no direct relationship between the two is given). II. No cat is pupil: False (This is possible but not definite, as no direct relationship between the two is given). They form a complementary pair. Hence, Either conclusion I or conclusion II follows. |
