Daily Practice
Foundation Plus
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20th September 1983
- 1Probability Trees3 marks
A bag holds 6 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 2Capture Recapture3 marks
25 beetles are marked and released. Later 22 are caught, of which 2 are marked. Estimate the population.
- 3Indices1 mark
Write down the value of 9^0.
- 4Solving Equations3 marks
Solve 3(x - 2) = 30.
- 5Compound Interest and Depreciation3 marks
£5900 is invested at 3% compound interest per year. Work out the value after 3 years, to the nearest penny.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1983, including the monthly compilation PDF.