True or False in maths

1)  If A = {1,2,3} then {2,3} is proper subset of A.

True

False

Ans:- True

2) If A = {1, 2}, B = { 2, 3, 5 } and C = { 1, 2, 5 } then find A intersection B intersection C.

{2}

{1}

{3}

Ans:- {2}