Statements: No web are spam. All spam are mail. Some mail are inbox. Conclusion: I. All spam are inbox. II. Some spam are not inbox. III. No web are mail. IV. Some inbox are web.
Statements: No web are spam. All spam are mail. Some mail are inbox. Conclusion: I. All spam are inbox. II. Some spam are not inbox. III. No web are mail. IV. Some inbox are web. Correct Answer Either conclusion I or II follow.
The least possible Venn diagram for the given statements is as follows,
Conclusion:
I. All spam are inbox → False (No direct relation given hence, false)
II. Some spam are not inbox → False (No direct relation given hence, false)
III. No web are mail → False (No direct relation given hence, false)
IV. Some inbox are web → False (No direct relation given hence, false)
Conclusive I and II form complementary pair.
Hence, Either conclusion I or II follow.
মোঃ আরিফুল ইসলাম
Feb 20, 2025