Read the given statement(s) and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of…
Question and options
Read the given statement(s) and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statement(s).
Statements:
1. All birds are insects.
2. All insects are mammals.
Conclusion (I): All mammals are birds
Conclusion (II): All birds are mammals
Statements:
1. All birds are insects.
2. All insects are mammals.
Conclusion (I): All mammals are birds
Conclusion (II): All birds are mammals
- Only conclusion (I) follows
- Only conclusion (II) follows
- Neither conclusion (I) nor (II) follows
- Both conclusions (I) and (II) follow
Answer and explanation
Correct answer: B - Only conclusion (II) follows
Birds subset of insects subset of mammals, so all birds are mammals (II follows). The converse 'all mammals are birds' does not follow.
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IIM Bangalore BBA DBE Entrance Test
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