Question : Directions: Two statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements:
No plant is a tree.
All ornaments are plants.
Conclusions:
I. No ornament is a tree.
II. Some plants are ornaments.
Option 1: Only conclusion I follows
Option 2: Only conclusion II follows
Option 3: Either conclusion I or II follows
Option 4: Both conclusions follow
Correct Answer: Both conclusions follow
Solution : The possible Venn diagram, according to the given statements is as follows –
Let's analyze the conclusions –
Conclusion (I):
No ornament is a tree – Since all ornaments are plants and no plant is a tree. Thus, it can be concluded that no ornament is a tree.
Conclusion (II):
Some plants are ornaments – From the Venn diagram, it is evident that some parts of the circle representing plants lie inside the circle representing ornaments while some lie outside. Thus, it can be concluded that some plants are ornaments.
So, both conclusions follow. Hence, the fourth option is correct.
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