(i) A={ x : x is an odd natural number }
(ii) B={ x : x is an integer, – 1/2 < x < 9/2 }
(iii) C={ x : x is an integer, x^2 ≤ 4 }
(iv) D={ x : x is a letter in the word “LOYAL” }
(v) E={ x : x is a month of a year not having 31 days }
(vi) F = {x : x is a consonant in the English alphabet which precedes k }