Question

Which of the following collections are sets? If any collection is not a set, give reasons.



(i) All persons on earth


(ii) All male teachers of your school.


(iii) All leaders of India.


(iv) All healthy people of your town.


(v) All fat boys of your locality.


(vi) All planets in our solar system.


(vii) All difficult problems in your book on Mathematics.


(viii) All 3-digit natural numbers.

(ix) All books in your school library.​

Answer 1

Answer:

4..5..8 are not sets bcoz everyone opinion is different... we can't say who is fat or healthy.. nd which prblm is difficult

Answer 2

(iv) All healthy people of your town.

(v) All fat boys of your locality.

(vi) All planets in our solar system.