Question

b.
State with reason, which of the following are sets and which are not:
(1) All big rivers of India.
(ii) All natural numbers having at least one prime factor.
(iii) All sincere students of Ravenshaw College during the academic
(iv) All real numbers w.
(vii) All finite subsets of the set Z of integers.
(viii) Collection ofall sets.
(ix) Collection of all winged horsesith negative square.
(v) All citizens of India carning more than Rs. 10,000/- per month
(vi) All college teachers who are citizens of India.​

Answer 1

Answer:

2,4,7,5,6 these all are the sets

Answer 2

Answer:

2,4,5,7,6 these are the sets