Three statements are followed by three conclusions numbered I, II and III. You have to consider these statements to be true, even if they seem to be at variance with commonly known facts. Decide which of the given conclusions logically follow(s) from the given statements.
Statements:
All bottles are plastics.
Some plastics are fibres.
Some fibres are glasses.
Conclusions:
(I) Some fibres are plastics.
(II) All plastics are bottles.
(III) Some glasses are fibres.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Only conclusions I and III follow.
Conclusions:
(I) Some fibres are plastics. - Follows (because Some plastics are fibres. So, Some fibres are plastics too)
(II) All plastics are bottles. - Does not follow (it is possible but not definite)
(III) Some glasses are fibres. - Follows (because Some fibres are glasses. So, Some glasses are fibres too)