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Mathematics, 15.08.2021 09:10 dejabrewer01

In a survey of 100 out patients who reportef at a hospital one day, it was found that 70 complained of fever, 50 had stomach trouble and 30 were injured. All the 100 patients had one or other complains, and 44 had exactly two of them. How many patients had all the complaints?

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In a survey of 100 out patients who reportef at a hospital one day, it was found that 70 complained...
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