Question

1) A = {1, 3, 2, 7), then which of the following is a subset of A?*
/
7
O {1,4,7)
O {0}
O {1, 3, 2,7)
O None of the above​

Answer 1

{1, 3, 2,7).

[Example: B⊂A means every element of B is also element of A.]