Question

Write the Cardinal number of the following finite sets. (cardinal number is the number of distinct
elements of a finite set)
(i) A = {x : x is a prime factor of 12}
(ii)B = The set of prime numbers less than 17
(iii) C = { x : x is a digit in the binary number system}
(iv) D = The set of all vowels in the word MATHEMATICS
(v) E = { x : x ∈ N and (x-1)(x+2) = 0}
(vi) F = { 50,51,52,53.............,200}
(vii) G = { x : x ∈ Q and x=2- 5 = 0}
(viii) H = { x : x ∈ C and x=2+ 1 = 0 } ; C = set of complex numbers.

Answer 1

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