Write 10 collections which are not well difined
Answers
10 dangerous animal in the world.
1. Collection of brilliant students in the class.
→ All the same students chosen may not be brilliant towards everyone's perspective. So this collection is not well defined. So this won't be a set.
2. Collection of beautiful girls in the class.
→ All the chosen girls may not be beautiful towards everyone's sight. So this collection is not well defined and hence it won't be a set.
3. Collection of dangerous creatures in the world.
→ All the chosen animals may not be dangerous towards everyone. For example, most people fear and hate snakes but there are some people in the world who like to play with snakes. Hence this collection is not well defined and therefore, it won't be a set.
4. Collection of beautiful flowers in the world.
→ Everyone may not like the same flower or the chosen flowers, there are some people who hate and flowers, and fear flowers too. So this collection is not well defined, and therefore, it won't be a set.
5. Collection of the best mobile phone brands in the world.
→ There is few possibility for everyone being love with the chosen mobile phone brands. The brand chosen by one may not be the best in other's perspective. So this collection is not well defined. Hence it probably won't be a set.
6. Collection of the most genius mathematicians in the world.
→ The chosen mathematicians won't be the most genius according to other's perspective. Also it won't be possible to compare mathematicians who is the most genius. One's knowledge about mathematicians also influence the selection of such mathematicians. Hence the collection is not well defined, and therefore, this won't be a set.
7. Collection of the talented celebrities in the world.
→ All may not have the same opinion about the performance of the celebrities. So the chosen celebrities may not be talented according to other's perspective.So this collection is not well defined, and hence, it won't be a set.
8. Collection of the beautiful paintings in the world.
→ Some people love the painting 'Monalisa' and consider as beautiful while there would be some others who hate Monalisa. So it's not sure everyone consider the chosen ones as beautiful. So this collection is not well defined and hence it won't be a set.
9. Collection of the best songs in the world.
→ Not everyone would have the same taste about the genre of the song. Some people love songs which make us happy, some others love songs which make us sad, some others love those making us angry, fear, and so on. Or everyone don't get the same passion to the chosen songs. So the collection is not well defined, and hence, it won't be a set.
10. Collection of the best movies in the world.
→ It's like just what mentioned above. Everyone won't have the same taste on the chosen movies. Some people like humorous movies, while some like horror movies, some would like crime movies, thriller movies, etc. So this collection is not well defined too. Hence it won't be a set.