MAH CET MCA Syllogism Previous Year Questions (PYQs)
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Showing 5 questions
Statements:
I) Some parrots are owls.
II) All owls are pigeons.
III) All pigeons are snakes.
Conclusion:
i) Some parrots are pigeons
ii) Some pigeons are parrots
iii) All owls are snakes
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Solution
If the following statements are true:
1. All humans are mortal.
2. Socrates is a human.
What can you logically conclude?
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Solution
Many books are rocks.
All rocks are clips.
Conclusions:
Some books are clips.
No rock is book.
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Solution
Data that cannot be erased is stored in Read Only Memory (ROM).
Statements:
$s1.$ All incomes are salaries.
$s2.$ Some salaries are perks.
$s3.$ Some perks are tangible.
Conclusions:
$c1.$ Some incomes are tangible.
$c2.$ At least some perks are salaries.
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Solution
From $s2$, “some salaries are perks” $\Rightarrow$ “some perks are salaries,” so $c2$ follows.
$c1$ does not follow: incomes $\subseteq$ salaries ($s1$), but we have no information linking incomes to tangible items; $s2$ and $s3$ could refer to different elements.
All roses are flowers. Some flowers are yellow. Which of the following is true?
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Solution
Given “all roses $\subset$ flowers” and “some flowers are yellow.” It is consistent that some of those flowers could be roses, so the option that can be true is “some roses are yellow.”
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