Three statements are given, followed by four conclusions numbered I, II, III, and IV. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements:
Some cars are bikes.
All bikes are trucks.
Some trucks are buses.
Conclusions:
I. Some trucks are cars.
II. All buses are cars.
III. Some cars are buses.
IV. All bikes are buses.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1, i.e., Only conclusion I follows.
Conclusions:
I. Some trucks are cars → Follows (Some cars are bikes, and all buses are trucks. So, definitely, some trucks are cars.)
II. All buses are cars → Does not follow (Not given direct relation between them.)
III. Some cars are buses → Does not follow (Not given direct relation between them.)
IV. All bikes are buses → Does not follow (Not given direct relation between them.)