State whether the following statements are true or false:

(i) Right answer is True

Explanation:-

1 belongs to the given set {1, 2, 3} as it is present in it.

(ii) Right answer is False

Explanation:-

Since, a is an element and not a subset of a set {b, c, a}

(iii) Right answer is False

Explanation:-

Since, {a} is a subset of set {b, c, a} and not an element.

(iv) Right answer is True

Explanation:-

We do not repeat same elements in a given set.

(v) Right answer is False

Explanation:-

Given, x+8 = 8

i.e. x = 0

So, the given set is a singleton set {0}. Where it is not a null set.