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In a certain examination 52 candidates offered biology 60 history 96 maths 21 biology and history 22 maths and biology 16 maths and history if 7 candidates offered all 3 subject. How many candidates offered
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In a certain examination 52 candidates offered biology 60 history 96 maths 21 biology and history 22 maths and biology 16 maths and history if 7 candidates offered all 3 subject. How many candidates offered one subject only

User Vetras
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Explanation:

See the drawn Venn Diagram below:

In a certain examination 52 candidates offered biology 60 history 96 maths 21 biology-example-1
User Zeid Selimovic
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