In a survey of a group of people, showed that; 75 liked tea or coffee, 15 liked milk only, 10 did not like all the three. How many people were asked this question ? Solve by drawing the Venn diagram.
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Step-by-step explanation:
let coffee be c, tea be t, milk be m
n(c U t U m) = 75+15 = 90
total = 90+10 =100
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