Question

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true. even it it appears to be at variance with commonly known facts. decide which of the given conclusion(s) logically follow(s) from the statements. Statements: All crows are rocks. All rocks are plants. All plants are flowers. Conclusions: (I) All crows are flowers. (II)Some flowers are rocks

• A. Only conclusion (II) follows.
• B. Neither conclusion (I) nor (Il) follows.
• C. Only conclusion (I) follows
• D. Both conclusions (I) and (Il) follow.

Answer 1

Answer:

D. Both conclusions (I) and (Il) follow.

Given Statements:

1. All crows are rocks

2. All rocks are plants

3. All plants are flowers

Combine statements

Crows ⊆ Rocks ⊆ Plants ⊆ Flowers

So:
Crows ⊆ Flowers

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Conclusion (I):

All crows are flowers ✔
This directly follows.

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Conclusion (II):

Some flowers are rocks ✔
Since all rocks are flowers, definitely some flowers (those which are rocks) exist.

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Both (I) and (II) follow