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A survey shows that `73%` of the Indians like apples, whereas `65%` like oranges. What percentage of Indians like both apples and oranges ?

Answer» Let A = Set of Indians who like apples. And B = Set of Indians who like oranges.
Then, `n(A) =73, n(B) =65 and n(AcupB) = 100`.
`n(A cap B) =n(A) +n(B)-n(A cupB ) =(73+65-100) =38`.


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