Question

During the rapid diagnostic test for corona virus among some people in an urban area, 900 of them were found negative result and it was 3/4 of the number of tested people. Rest of the people were found to be suspected of COVID-19 and their throat swabs were tested. From the tested swabs, 3/20 were found infectedi) Find the tested number of people ii) Find the number of suspected people. iii) Find the number of infected people of COVID-19

Answer 1

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