Statements: All snakes are poisonous. All poisonous things are reptiles. Which conclusions follow? 1: All snakes are reptiles. 2: Some reptiles are poisonous.
ANeither 1 nor 2 follows
BConclusion 2 alone follows
CBoth 1 and 2 follow
DConclusion 1 alone follows
Answer & Solution
Correct answer: C. Both 1 and 2 follow
1. Snakes are a subset of poisonous, and poisonous is a subset of reptiles, so all snakes are reptiles (conclusion 1 follows).
2. Since all poisonous things are reptiles, some reptiles are poisonous (conclusion 2 follows).
3. Hence both conclusions follow.
_Source: RRB Group D CEN-02/2018 PYQ, Q.24._
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