1 i x = (belongs to) {2,4,6,8,10....}. II x = {2}. iii x = {-1,-2,-3,-4,-5,-6,-7.......-infinity}. iv x = {sa, re, GA, ma, pa, dha, NI}. 2 i 4/3 belongs to rational numbers. ii -2 does not belong to natural numbers. iii P is a SET of all odd numbers.