Answered: IV. VThe students must take part in at…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Transcribed Image Text:activities in a school. Out of 40 students of a class, 25 students take part in debate iv. What IS CC and 30 students take part in quiz contest, then i. show the above information in a Venn diagram. ii. how many students have taken part in both activities? iii. how many students have taken part in only one activity? 8 According to survey in 600 consumers of a village, 300 consumers are buying tea of own nation, 250 consumers are buying international tea and 150 consumers are buying both brands of tea. Find the number of consumers who do not buy any brand of tea. 520 9, In a ceremony, out of 800 participants, 20 drank milk, 350 drank tea and 50 did not drink any of them. Find out how many people drank the both drinks using a Venn diagram? 10. In a survey of 2000 people, 50% of them visited the country A and 40% of them visited the country B. If 5% of them do not visit both A and B, then find i. how many people visited both the countries? ii. how many people visit only one country? iii. Express the above statement in a Venn diagram.

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