Statements: (a) All clerks are typists. (b) Some typists are stenos. Conclusions: I. Some stenos are clerks. II. No steno is a clerk. III. All typists are clerks. IV. All clerks are stenos.

All the conclusions follow
None of conclusions follow
Either I or II follows
Only IV follows

Correct Answer: Either I or II follows

Explanation:

First Premise is Universal Affirmative (A-type).
Second Premise is Particular Affirmative (I-type).
All clerks are typists. ↔ Some typists are stenos.
A + I ⇒No Conclusion
Conclusions I and II form Complementary Pair. Therefore, either I or II follows.

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