Read the given statements 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 statements.
Statements:
All jasmines are flowers.
No flower is a plant.
Some plants are herbs.
Conclusions:
I. Some jasmines are herbs.
II. No flower is a herb.
III. No jasmine is a flower.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. none follows.
The least possible Venn Diagram for the given statements is drawn below:
Conclusions:
I. Some jasmines are herbs → False (It is possible but not definite, as there is no relation between flower and herbs.)
II. No flower is a herb → False (It is possible but not definite, as there is no relation between flower and herbs.)
III. No jasmine is a flower→ False (This is definitely false, as all jasmine are part of flowers).
Hence, none follows.