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:
No boy is an engineer.
No engineer is a driver.
All girls are boys.
Conclusions:
I. All boys are drivers.
II. No girl is an engineer.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Only conclusion II follows.
The least possible Venn Diagram for the given statements is drawn below:
Conclusions:
I. All boys are drivers → False (It is possible, but no definite conclusion can be drawn).
II. No girl is an engineer → True (As all girls are boys and no boy is an engineer, so no girl is an engineer.)
Hence, Only conclusion II follows.