Daily Practice
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6th August 1963
- 1Conditional Probability3 marks
13 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Capture Recapture3 marks
50 voles are marked and released. Later 40 are caught, of which 4 are marked. Estimate the population.
- 3Standard Form3 marks
Work out (32 x 10^7) / (8 x 10^4). Give your answer in standard form.
- 4Solving Quadratics3 marks
Solve x^2 - 9 = 0.
- 5Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 9. 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 August 1963, including the monthly compilation PDF.