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2nd October 1991
- 1Conditional Probability3 marks
28 students study Spanish and 12 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 8, 4, 11, 3. Write down the cumulative frequency at the end of the third class.
- 3Reverse Percentages3 marks
A bill is £288 including VAT at 20%. Work out the amount before VAT.
- 4Inequalities on Graphs3 marks
Does the point (3, 8) satisfy y > 2x + 4?
- 5Speed and Density2 marks
A block has volume 195 cm^3 and density 11 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 October 1991, including the monthly compilation PDF.