Daily Practice
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17th September 1980
- 1Conditional Probability3 marks
13 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 12, 12, 10, 7. Write down the cumulative frequency at the end of the third class.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.8888... as a fraction in its simplest form.
- 4Inequalities on Graphs3 marks
Does the point (1, -7) satisfy y > x - 3?
- 5Speed and Density2 marks
A block has volume 65 cm^3 and density 2.5 g/cm^3. Work out its mass.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1980, including the monthly compilation PDF.