100 explain answer for points !

10. Let x = {3,8, 11, 14). Let y = {4,11,16, 21, 19}. Let the universal set be the set of positive integers less than or equal to 30. Assume the usual ordering of the positive integers. the number of elements in x y y First write down the binary strings representing the sets x, z sy and Second ignoring the universal set which is no longer universal. Tell me and wrl (There are five subquestions here each worth 2 points.)