Daily Practice
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23rd March 1966
- 1Conditional Probability3 marks
22 students study Spanish and 10 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 10, 4, 8, 8. Write down the cumulative frequency at the end of the third class.
- 3Fractional and Negative Indices2 marks
Write 3^-1 as a fraction.
- 4Solving Quadratics3 marks
Solve x^2 + 11x + 18 = 0.
- 5Speed and Density2 marks
A block has volume 30 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 March 1966, including the monthly compilation PDF.