Mathematics, 14.08.2021 17:40 elenaabad18
Set.
A survey was carried among 160 schools in which 70 have a library, 50 have a computer lab, 20 have computer lab and science lab, 15 have library and science lab, 10 have all three labs. Represent the above information in a venn diagram. Also find,
1. How may schools have none of these facilities.
2. How many schools have only one lab?
3. How many schools have only two labs?
4. How many schools do not have a computer lab?
Answers: 1
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A survey was carried among 160 schools in which 70 have a library, 50 have a computer lab, 20...
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