Find the cardinal number of the following sets :
(i)A1={−2,−1,1,3,5}
(ii)A2={x:x∈ N and 3 ≤x<7}
(iii)A3={p:p ∈ W and 2p−3 < 8}
(iv)A4={b:b∈Z and −7< 3b−1 ≤2} Cardinal~Number~of~set~:The number of elements in a set is called its Cardinal Number.
What is the cardinal number of following sets?
The set of weeks having 8days.
Sets having the same cardinal number and same elements are called _________ sets.
If two given sets have the same cardinal number, they are called ____ sets.