Mathematics · Venn Diagrams and Sets

In a class of 90 students, 60 opted for Mathematics, 50 opted for Science, and 20 opted for both. How many students opted for Science only?

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In a class of 90 students, 60 opted for Mathematics, 50 opted for Science, and 20 opted for both. How many students opted for Science only?

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In a class of 90 students, 60 opted for Mathematics, 50 opted for Science, and 20 opted for both. How many students opted for Science only?

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