Question

If A={1,2,3,4,5} then which of the these is true :-
(I) 1€A
(ii){2,3}€A
(iii)3 is subset of A
(iv)5€A

Answer 1

Answer:

1. True, because 1 belongs to A.
2. False, Set {2,3}not belongs to A.But 2,3 belongs to A.
3. True, 3 is a subset of A because every element of a set is a subset of the set.
4. True, because 5 belongs to A.