Question

If U is a universal set and B ⊆ U and U={ 1,2,3,4,5,6,7,8 }, B={ 2,4,6,8}. Then B' =? *​

Answer 1

B’=Universal set- set B
i.e B’={1,2,3,4,5,6,7,8} - {2,4,6,8}
Therefore B’={1,3,5,7}