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UKMT Senior Mathematical Challenge, 2021

Number theory Difficulty 2.0 Junior Find the answer United Kingdom

In a survey, people were asked to name their favourite fruit pie. The pie chart shows the outcome. The angles shown are exact with no rounding. What is the smallest number of people who could have been surveyed?

(A) $45$ (B) $60$ (C) $80$ (D) $90$ (E) $180$

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