Concept:"Only few" means a combination of "some" and "some not."
So, "Only few fruits are bananas" means some fruits are bananas and some fruits are not bananas.
Explanation:The statements given are: some mangoes are fruit, some potatoes are mango, and only few fruits are bananas.
From these, there is no definite relation between bananas and potatoes in the least possible Venn diagram.
Conclusion
I: Some banana is potato. This is possible but not definite. Hence, it does not follow.
Conclusion
II: Some fruits are not bananas. This directly follows from "only few fruits are bananas." Hence, it follows.
Answer:Only conclusion
II follows.
Therefore, option
C is the correct answer.