Reasoning Class 9 Other

Asked by GIANSH GUPTA KHUNDKER · BIRLA BRAINIACS

Statements:All laptops are computers. No computer is a television.
Conclusions:
I. No laptop is a television.
II. Some computers are laptops.

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Answer: C. Both conclusion I and II follow

Checking Conclusion I: Since the outer boundary ("Computers") cannot touch "Television", the inner circle ("Laptops") can absolutely never touch "Television" either. Thus, Conclusion I is valid.
Checking Conclusion II: Because the entire "Laptops" circle occupies a part of the "Computers" circle, that shared space means "Some computers are laptops" is valid.

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