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Ten Practice Questions for Real-World Maths Tests
Ten Practice Questions for Advanced Data Handling Tests
Ten Ways to Find a Sense of Calm While Studying

Ten Practice Questions for Data Handling Tests

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What fraction of the disk space has been used up?

A: 1/2

B: 1/3

C: 1/4

D: 1/5

Answer: D: 1/5. 20% is the same as 20 ÷ 100 = 2 ÷ 10 = 1/5.

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