Multiple Choice....Is My Answer Correct

The problem says this:
Given the following sets, select the statement below that is true.
A = {b, l, a, z, e, r}, B = {b, a, l, e}, C = {a, b, l, e}, D = {l, a, b}, E = {l, a}

1. E ⊆ A and B ⊂ C
2. C ⊂ D and E ⊂ C
3. D ⊆ C and D ⊆ E
4. C ⊂ E and B ⊆ A
5. D ⊂ C and B ⊆ C

I chose number 5. Correct?

Also, would you help me on this problem:
Given the following set, select the statement below that is true.
V = {a, e, i, o, u}

1. i ∈ V
2. V ⊆ Ø
3. e ∉ V
4. 5 ∈ V
5. v ∈ V

The symbols you are using:
∈. " is an element of"
∉ " is not an element of"
⊂ is a proper subset ( not equal)
⊆ is a subset ( or equal)

5) D is a proper subset of C , and B is a subset of C. This is correct.


On the second group only (1) is true. i is an element of set V.

2) false . Since V has elements, it is not a subset of the empty set.
3) (e is not an element of V ) false since e is an element.
4) ( 5 is an element of V) false since 5 is not in V
5) (v is an element of V) false since v is not in V

Hoping this helps!