Question

30. Find the cardinal number of the following sets
(i) A = The set of all even natural numbers less than 20
(ii) D= {x: x=3n+2, n € W, x < 15)
(iii) C = {x: x is a perfect cube, 1<x< 64}
(iv) B =The set of odd whole numbers less than 9
(v) P= {x: x=2, ne N, n 55}
2n'​

Answer 1

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