Identify the given collection as set. If not a set, give reason.
All yellow fruits.
A set is a well - defined collection of objects.
The collection of yellow fruits is defined.
Hence,all yellow fruits is a set.
Check the given collection is set? If not a set, give reason
All vowels
Interesting books in the library
Intelligent boys of your class
Counting number between 30 and 40
All difficult problems in your Math book