Question

In each group of questions, below are four statements followed by two conclusions numbered I and II. You have to take the four given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the four statements disregarding commonly known facts.

Statements
All staplers are printers.
Some printers are machines.
All computers are machines.
All machines are equipment.

Conclusions
I. Some staplers are machines.
II. All those printers which are machines are also equipment.

• A. Only conclusion I follows
• B. Only conclusion II follows
• C. Either conclusion I or II follows
• D. Neither conclusion I nor II follows
• E. Both conclusions I and II follow

Answer 1

The correct option is B Only conclusion II follows

All computers are machines.
All machines are equipment.
$A+A\Rightarrow A$-type of conclusion.
All computers are equipment.(A)
Some printers are machines.
All machines are equipment.
$I+A\Rightarrow I$-type of conclusion.
Some printers are equipment. (B)

Conclusion II follows.