(i) {1,2,3,6} | (a) {x:x is a prime number and a divisor of 6} |
(ii) {2,3} | (b) {x:x is an odd natural number less than 10} |
(iii) {M,A,T,H,E,I,C,S} | (c) {x:x is natural number and divisor of 6} |
(iv) {1,3,5,7,9} | (d) {x:x is a letter of the word MATHEMATICS} |