Venn Diagrams — practice questions, page 12
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QuestionA Durgapur plant has 170 workers; 10 know neither welding nor fitting and 20 know both. Those who…QuestionEvery whole number from 1 to 100 is placed in the diagram of multiples of 2, 3 and 5. How many…QuestionIn a Nellore survey of 170 people, 10 like none of rice, pancake and fritter. Each single part is…
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