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:
Some printers are coolers.
No cooler is a telephone.
All machines are telephones.
Conclusions:
I. Some printers are machines.
II. No machine is cooler.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Only conclusion II follows.
The least possible Venn Diagram for the given statements is drawn below:
Conclusions:
I. Some printers are machines → False (It is possible, but no definite conclusion can be drawn).
II. No machine is cooler → True (As all machines are telephones, and no cooler is a telephone, so, no machine is cooler. ).