4. State the cardinal number of the following sets.
(0) A = set of letters in the word 'LOOK.
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The number of distinct elements in a finite set is called its cardinal number. It is denoted as n(A) and read as ‘the number of elements of the set
If u don't understand try this
Write the cardinal number of each of the following sets:
(i) A= Set of days in a leap year.
(ii) B= Set of numbers on a clock-face.
(iii) C={x:xϵNandx7}
(iv) D = Set of letters in the word PANIPAT.
(v) E = Set of prime numbers between 5 and 15.
(vi) F={x:xϵZand−2<x≤5}
(vii) G={x:xisaperfectsquarenumber,xϵNandx≤30}.
(i) nA=366
(ii) nB=12
(iii) nC=7
(iv) nD=5
(v) nE=3
(vi) nF=7
(vii) nG=5
Step-by-step explanation:
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