Maths Olympiad Prep

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CEMC Gauss (Grade 8), 2019

Number theory Difficulty 1.2 Junior Find the answer Canada

How many integers between 10 and 20 are prime numbers?

Pick one

Solution

The mode is the amount of rainfall that occurs most frequently.

Reading from the graph, the daily rainfall amounts for Sunday through to Saturday are 6 mm, 15 mm, 3 mm, 6 mm, 3 mm, 3 mm, and 9 mm.

The mode for the amount of rainfall for the week is 3 mm.

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.