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Given below are three premises (a, b and c). Four conclusions are drawn from them. Select the code that states validly drawn conclusion(s) [ taking the premises individually or jointly].  Premises : No web are spam. All spam are mail. Some mail are inbox. Conclusion: I. All spam are inbox. II. Some mail are spam. III. No web are mail. IV. Some inbox are web.

Given below are three premises (a, b and c). Four conclusions are drawn from them. Select the code that states validly drawn conclusion(s) [ taking the premises individually or jointly].  Premises : No web are spam. All spam are mail. Some mail are inbox. Conclusion: I. All spam are inbox. II. Some mail are spam. III. No web are mail. IV. Some inbox are web. Correct Answer Only II

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 mail are spam → True, as all spam are mail, some mail are definitely spam.

III. No web are mail → False (No direct relation given hence, false)

IV. Some inbox are web → False (No direct relation given hence, false)

Hence, only II follows.

Related Questions

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