Daily Practice
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9th January 1957
- 1Conditional Probability3 marks
18 students study Spanish and 11 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 11, 12, 10, 10. Write down the cumulative frequency at the end of the third class.
- 3Standard Form2 marks
Work out (6 x 10^4) x (2 x 10^4). Give your answer in standard form.
- 4Solving Quadratics3 marks
Solve x^2 - 10x + 9 = 0.
- 5Speed and Density2 marks
A block has volume 120 cm^3 and density 7.5 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 January 1957, including the monthly compilation PDF.