If P = {1, 3, 5, 7, 9, 11, 13}, then which of the following is subset of P?
{5,11,1}
{0,7,9}
{2,4,6,8}
{2,1,4,5,6}
We can see that every element of option (a) belongs to P, while in other option all elements of the set do not belong to P, so (a) is the only subset of P