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| 1. |
If set A and set B are two subsets of universal set of set U and n(A) = 40 , n(B) = 30 , n(A intersection B) = 10 then what is the value of n(A' intersection B') ? |
| Answer» If set A and set B are two subsets of universal set of set U and n(A) = 40 , n(B) = 30 , n(A intersection B) = 10 then what is the value of n(A' intersection B') ? | |