Three Statements are given followed by Three conclusions numbered I, II and III. 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:
All dogs are cats.
No bat is a cat.
Some rats are bats.
Conclusions:
I. Some cats are rats.
II. Some dogs are bats.
III. No dog is a bat.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Only conclusion III follows.
Conclusions:
I. Some cats are rats. - Does not follow (it is possible but not definite)
II. Some dogs are bats. - Does not follow (No bat is a cat, and All dogs are cats. So, Some dogs are bats is definitely false)
III. No dog is a bat. - Follows (because No bat is a cat, and All dogs are cats. So, No dogs are bats too)