Daily Practice
Higher
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12th March 1975
- 1Conditional Probability3 marks
23 students study Spanish and 8 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 9, 5, 7, 10. Write down the cumulative frequency at the end of the third class.
- 3Fractional and Negative Indices3 marks
Work out 25^(3/2).
- 4Inequalities on Graphs3 marks
Does the point (5, -7) satisfy y > x - 4?
- 5Speed and Density2 marks
A block has volume 170 cm^3 and density 3 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 1975, including the monthly compilation PDF.