State whether the following statements are true or false:

(i) 1 { 1,2,3}


(ii) a {b,c,a}


(iii) {a} {a,b,c}


(iv) {a,b} = {a,a,b,b,a}


(v) The set {x:x + 8 = 8} is the null set.

(i) True


1 belongs to the given set as it is present in it.


(ii) False


{a} {b,c,a}


This is the write form to write it or a ϵ {b,c,a}


(iii) False


{a} {b,c,a}


This is the write form to write it or a ϵ {b,c,a}


(iv) True


We do not repeat same elements in a given set.


The given set can be written as {a,b}


(v) False


X+8 = 8


i.e. x = 0


{0} It is not a null set


2