Mathematics
Write each of the following sets in set-builder form : (i) A = {4, 6, 8, 9, 10, 12, 14, 15, 16, 18}. (ii) B = {1, 2, 3, 5, 6, 10, 15, 30}. (iii) C = {-9, -6, -3, 0, 3, 6, 9, 12, 15}. (iv) D = . (v) E = . (vi) F = {April, June, September, November}. (vii) G = {0}. (viii) H = { }.
Related Questions
Write each of the following sets in Roster form :
(i) A = set of all prime numbers between 70 and 100.
(ii) B = set of all whole numbers less than 8.
(iii) C = set of all integers lying between -7 and 2.
(iv) D = set of all composite numbers between 23 and 33.
(v) E = set of letters in the word, 'MATHEMATICS'.
(vi) F = set of consonants in the word, 'SECONDARY'.
(vii) G = set of vowels in the word, 'INTERMEDIATE'.
State whether the given set is finite or infinite :
(i) Set of all even natural numbers.
(ii) Set of all odd integers.
(iii) Set of all rivers in India.
(iv) Set of all points on a line segment 1 cm long.
(v) Set of all factors of 1200.
(vi) Set of all multiples of 6.
(vii) Set of all drops of water in a bucket.
Identify the null sets among the following :
(i) A = {x : x is a whole number, x < 1}.
(ii) B = {x : x is a number, x > x}.
(iii) C = {x : x is an even prime number}.
(iv) D = {x : x ∈ I, x2 = -4}.
(v) E = {x : x is a perfect square number, 40 < x < 50}.
(vi) F = {x : x ∈ N, 5 < x < 6}.