Question

a two digit number is to be formed 0,1,2,3,4 without repetition then n(s)=?
18​

Answer 1

Answer:

n(s)=16

explanation= 0,1,2,3,4 without repetition

sample space-{10,12,13,14,20,21, 23,24,30,31,32,34,40,41,42,43}

n(s) =16

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