SOLUTION: In a survey of 100 out patients who reported at a hospital one day , it was found that 70 complained of fever , 50 had stomach ache and 30 were injured. All 100 patients

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Question 1178233: In a survey of 100 out patients who reported at a hospital one day , it was found that 70 complained of fever , 50 had stomach ache and 30 were injured. All 100 patients had at least one of the complaints. How many patients had all 3 complaints.
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

As it is worded,  printed,  posted and presented,  there is  NO  a  UNIQUE  solution,

so the problem is posed  INCORRECTLY.


Actually,  it is  INCOMPLETE  and  THEREFORE  is  DEFECTIVE.



For the close to it   CORRECTLY  POSED   problem see the link

https://www.algebra.com/algebra/homework/sets-and-operations/sets-and-operations.faq.question.1096428.html
https://www.algebra.com/algebra/homework/sets-and-operations/sets-and-operations.faq.question.1096428.html

in this forum's archive.



It was posted years ago,  and I solved it then,  so you can see the correct formulation and the correct solution there.


Have fun and   E N J O Y   (!)