alleryAll R are S. No S is T. Some U are R. I: Some U are not T. II: Some S are U. III: No U is T. Which follow?
AI only
BI and II only
CII and III only
DI, II and III
Answer & Solution
Correct answer: B. I and II only
The U that are R are S and not T, proving I and II, while other U could be T.
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