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 possums are bisons.
No possum is a wolf.
Conclusions:
[1] All wolves can be bisons.
[2] All bisons are wolves.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Only conclusion [1] follows.
The least possible venn diagram is:
Conclusions:
[1] All wolves can be bisons. → Follow (As some possums are bisons and no possum is a wolf. So, it is possible that all wolves are bisons.)
[2] All bisons are wolves. → Does not follow (As some possums are bisons and no possum is a wolf. So, some part of bisons is common with possums which cannot be wolf, therefore it is false.)