Question

question from sets !!
answer fast !!

Answer 1

[0010001111]... Hello Locomaniac... [1001010101]
Here's your answer...

In this sum, we'll assume that there are no children who don't like either of the two objects.
Let the children who like fruits be set F.
Let the children who like pizza be set P.
Let the total number of children be 100.
Then 74 of the children will be liking fruits and 66 of the children will be liking pizzas.
So n(F) = 74 and n(P) = 66 while n(FuP) = 100
n(FuP) = n(F) + n(P) - n(FnP)
100 = 74 + 66 - n(FnP)
100 = 140 - n(FnP)
n(FnP) = 40
Since 100 children will have 40 children liking both, 100% of children will have 40% of children liking both.
So the answer is 40%

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