Daily Practice
Higher
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10th July 1984
- 1Conditional Probability3 marks
15 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Capture Recapture3 marks
45 newts are marked and released. Later 96 are caught, of which 8 are marked. Estimate the population.
- 3Reverse Percentages3 marks
A bill is £480 including VAT at 20%. Work out the amount before VAT.
- 4Inequalities on Graphs3 marks
Does the point (-2, -3) satisfy y > -2x - 2?
- 5Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 5. Write y in terms of x.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1984, including the monthly compilation PDF.