ezlax3521 ezlax3521
  • 22-03-2024
  • Mathematics
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In a survey among 390 people, it was found that 50 liked milk tea only and 250 liked black tea only. If the number of people who liked black tea is twice the number of people who liked milk tea, by drawing a Venn-diagram, find the number of people who liked both and who liked none of them.​

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