Question

1. Find the cardinal number of the following
sets :
(i) A4 = {-2, -1, 1, 3, 5}
(i) A = {x :X + N and 3 < x < 7}
(iii) Az = {p:pe Wand 2p -3 < 8}
(iv) A4 = {b:be Z and -7 < 3b - 1 <2}​

Answer 1

(i) n(A4) =5

(ii) n(A) = 3

Answer 2

Answer:

n=(5) is the correct answer