Practice Library
All MCQs
Browse exam-wise, subject-wise, and country-wise MCQs with explanations.
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Correct Answer: B. It cannot be concluded that any key is rusty.
Explanation:
The rusty metal objects may not be keys.
The premises do not force an overlap.
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Correct Answer: A. Some farmers are not illiterate.
Explanation:
The educated farmers cannot be illiterate.
Thus, some farmers are not illiterate.
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Correct Answer: D. No coin is square.
Explanation:
Coins are round, while square objects are not.
A coin cannot be square.
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Correct Answer: C. Some chairs are heavy.
Explanation:
The wooden chairs are heavy.
Therefore, some chairs are heavy.
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Correct Answer: B. No definite relation can be concluded.
Explanation:
The professor-lawyers may or may not be judges.
No necessary overlap is shown.
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Correct Answer: A. No snakes are warm-blooded.
Explanation:
Snakes are reptiles.
Reptiles are not warm-blooded.
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Correct Answer: D. Some phones are insured.
Explanation:
The expensive phones belong to the insured category.
Thus, some phones are insured.
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Correct Answer: C. Some writers are not careless.
Explanation:
The writers who are poets cannot be careless.
Thus, some writers are not careless.
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Correct Answer: B. All laptops require energy.
Explanation:
Laptops are machines and machines require energy.
Therefore, laptops require energy.
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Correct Answer: A. Some artists are not silent.
Explanation:
The artists who sing cannot be silent.
Thus, some artists are not silent.
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Correct Answer: D. No definite conclusion follows.
Explanation:
The red vehicles might not be buses.
The premises are insufficient.
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Correct Answer: C. It cannot be concluded whether any mango is sour.
Explanation:
The sour fruits may be mangoes or other fruits.
No definite relation is given.